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Synology
DiskStation NAS
DS918+
4-Bay (4GB RAM)


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Stock codeIBSY-918P
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SATA to Gigabit Ethernet (1,000 Mbit/s)
4GB RAM
Intel Celeron J3455 Quad Core 1.5 GHz (up to 2.3 GHz)
3yr Warranty
Description
DiskStation DS918+
Powerful and scalable 4-bay NAS for growing businesses

High-speed scalable storage server
Synology DS918+ is designed for small and medium-sized businesses and IT enthusiasts. With a powerful built-in AES-NI hardware encryption engine, DS918+ provides exceptional encrypted file transmission. Also capable of transcoding up to two channels of H.265/H.264 4K videos at the same time, DS918+ is ideal for sharing and storing ultra-high definition media content.

CPU - Quad-core 1.5GHz burst up to 2.3GHz
Network - Dual 1GbE LAN ports
Memory - 4GB DDR3L, scalable up to 8GB
Performance - Over 225 MB/s and 221 MB/s encrypted sequential reading and writing


Hardware Specifications CPU CPU Model Intel Celeron J3455 CPU Architecture 64-bit CPU Frequency Quad Core 1.5 burst up to 2.3 GHz Hardware Encryption Engine (AES-NI)   Hardware Transcoding Engine H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30 Memory System Memory 4 GB DDR3L Memory Module Pre-installed 4GB (1 x 4GB) Total Memory Slots 2 Memory Expandable up to 8 GB (4 GB x 2) Storage Drive Bays 4 Maximum Drive Bays with Expansion Unit 9 Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD M.2 NVMe 2280 SSD Maximum Internal Raw Capacity 40 TB (10 TB drive x 4) (Capacity may vary by RAID types) Maximum Raw Capacity with Expansion Units 90 TB (10 TB drive x 9) (Capacity may vary by RAID types) Maximum Single Volume Size 108 TB Hot Swappable Drive   Notes "Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. The maximum single volume size is not directly related to the maximum raw capacity. (Learn more) Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB. External Ports RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support) USB 3.0 Port 2 eSATA Port 1 File System Internal Drives Btrfs EXT4 External Drives Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT* Notes exFAT Access is purchased separately in Package Center. Appearance Size (Height x Width x Depth) 166 mm x 199 mm x 223 mm  Weight 2.28 kg  Others System Fan 92 mm x 92 mm x 2 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Wireless Support (dongle)   Brightness adjustable front LED indicators   Power Recovery   Noise Level* 19.8 dB(A)  Scheduled Power On/Off   Wake on LAN/WAN   Power Supply Unit / Adapter 100W  AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption* 28.8 W (Access) 
12.6 W (HDD Hibernation)  British Thermal Unit 98.27 BTU/hr (Access) 
42.99 BTU/hr (HDD Hibernation)  Environment Temperature Operating Temperature 5°C to 40°C (40°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC Class B CE Class B BSMI Class B Warranty 3 Years Notes Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s). DSM Specifications ( See more ) Storage Management Maximum Internal Volume Number 512 Maximum iSCSI Target Number 32 Maximum iSCSI LUN 256 iSCSI LUN Clone/Snapshot, Windows ODX   Supported RAID Type Synology Hybrid RAID Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10 RAID Migration Basic to RAID 1 Basic to RAID 5 RAID 1 to RAID 5 RAID 5 to RAID 6 Volume Expansion with Larger HDDs Synology Hybrid RAID RAID 1 RAID 5 RAID 6 Volume Expansion by Adding a HDD Synology Hybrid RAID RAID 5 JBOD RAID 6 (with Expansion Unit) Global Hot Spare Supported RAID Type Synology Hybrid RAID RAID 1 RAID 5 RAID 6 (with Expansion Unit) RAID 10 (with Expansion Unit) SSD Support SSD Read/Write Cache (White Paper)   SSD TRIM   File Sharing Capacity Maximum Local User Accounts 2048 Maximum Local Groups 256 Maximum Shared Folder 512 Maximum Shared Folder Sync Tasks 8 Maximum Concurrent CIFS/AFP/FTP Connections 1000 Windows Access Control List (ACL) Integration   NFS Kerberos Authentication   High Availability Manager   Log Center   Syslog Events per Second 800 Virtualization VMware vSphere 6 with VAAI   Windows Server 2012   Windows Server 2012 R2   Citrix Ready   OpenStack   Add-on Packages (learn more about the complete add-on package list) Antivirus by McAfee (Trial)   Central Management System   Chat   Maximum Users 1500 Notes The number of concurrent HTTP connections for Chat was configured to the maximum. CPU and RAM usage were both under 80% when the number of maximum users was reached. For tested models with expandable memory, the maximum amount of RAM was installed. Cloud Station Server   Maximum Number of Concurrently Connected Devices 1000 Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000 Maximum Number of Synced Files (btrfs) 1,000,000 / single file reaction time 744 ms Maximum Number of Synced Files (ext4) 1,000,000 / single file reaction time 630 ms Notes The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing. File reaction time refers to the preparation time required for other devices to start downloading a 1KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing. Non-encrypted shared folders were used during the aforementioned testing. Document Viewer   Download Station   Maximum Concurrent Download Tasks 80 exFAT Access (optional)   MailPlus / MailPlus Server   Free Email Accounts 5 (Licenses required for additional accounts) Recommended MailPlus Client Number Up to 90 (Btrfs) / 90 (ext4) Maximum Server Performance 840,000 (Btrfs) / 1,014,000 (ext4) emails per day, approx. 25.6 GB (Btrfs) / 30.9 GB (ext4) Notes The CPU and RAM usages were both under 80% when testing recommended client numbers. For tested models with expandable memory, the maximum amount of RAM was installed. Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed. The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only). Media Server   DLNA Compliance   Office   Maximum Users 200 Maximum Simultaneous Editing Users 80 Notes CPU and RAM usage were both under 80% when the number of maximum users was reached. For tested models with expandable memory, the maximum amount of RAM was installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM Snapshot Replication   Maximum Snapshots per Shared Folder 1024 Maximum Snapshots of all Shared Folder 65536 Surveillance Station   Maximum IP cam (Licenses required) 40 (including 2 Free License) (See All Supported IP Cameras) Total FPS (H.264)* 1200 FPS @ 720p (1280x720) 
840 FPS @ 1080p (1920×1080) 
400 FPS @ 3M (2048x1536) 
300 FPS @ 5M (2591x1944) 
180 FPS @ 4K (3840x2160) Total FPS (MJPEG)* 480 FPS @ 720p (1280x720) 
400 FPS @ 1080p (1920×1080) 
330 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944) Total FPS (H.265)* 1200 FPS @ 720p (1280x720) 
1200 FPS @ 1080p (1920×1080) 
600 FPS @ 3M (2048x1536) 
400 FPS @ 5M (2591x1944) 
300 FPS @ 4K (3840x2160) Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera. Video Station   Video Transcoding 4K Group 1 (See more) Maximum Transcoding Channel Number 2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or 2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1 VPN Server   Maximum Connections 20 Environment & Packaging Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1 Optional Accessories Surveillance Device License Pack D3NS1866L-4G RAM Module Expansion Unit: DX517 X 1 VS360HD VS960HD


NVME drive Compatibility - find here

Samsung MZ-V5P256BW 950 PRO 1B0QBXX7 256GB M.2 NVMe SSD Enterprise no   Samsung MZ-V5P512BW 950 PRO   512GB M.2 NVMe SSD Enterprise no   Samsung MZ-V6E1T0 960 EVO   1TB M.2 NVMe SSD Consumer no   Samsung MZ-V6E250BW 960 EVO 1B7QCXE7 250GB M.2 NVMe SSD Consumer no   Samsung MZ-V6E500 960 EVO   500GB M.2 NVMe SSD Consumer no   Samsung MZVPV128HDGM SM951 BXW7300Q 128GB M.2 NVMe SSD Consumer no   Samsung MZVPV256HDGL SM951   256GB M.2 NVMe SSD Consumer no   Samsung MZVPV512HDGL SM951   512GB M.2 NVMe SSD Consumer no
Specifications
Specifications

General

Stock code IBSY-918P
Brand Synology
Series DiskStation NAS
Model DS918+
Type 4-Bay (4GB RAM)
ROHS Y
Date added 30/05/2017

DS918+ Spec Information

Form Factor / Drive Height 166x199x223 mm
Platter size 3.5"
Platter (alternate) 2.5"
RAM/Cache 4GB
Guarantee 3yr
Processor Intel Celeron J3455 Quad Core 1.5 GHz (up to 2.3 GHz)
CPU Mark (cpubenchmark.net) 2153
Total Drives 4
Total Drives (alternate) 4
RAID 0:1:5:6:

DS918+ Spec Connections

sub- connectionI/EQuantity
LANLANExternal2
SATASATA 7-pin Discrete with PowerInternal4
M.2NVMeInternal2
USB3USB3 type A (host)External2
eSATAeSATAExternal1

Software

DS918+ Speed

Speed/RPM SATA to Gigabit Ethernet (1,000 Mbit/s)

Physical

Colour Black
Weight (kg) 4kg
Weight (bare) 2.28kg
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Stock codeIBSY-918P
Quick code61979
Choose electric outlet for United States DS918+ with UK power plug DS918+ with EURO power plug DS918+ with US American power plug DS918+ with AU Australian power plug
Your local power plug included



Synology
DiskStation NAS
DS918+
4-Bay (4GB RAM)



Most viewed
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4GB 8GB 16GB

Hardware Encryption EngineVMware supportNVMe SSDm.2 cachedlna supportplex support1080p supportultra hd 4k supportintel-inside




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Description

Synology DiskStation NAS DS918+ 4-Bay (4GB RAM)


spantv reviewOur Review:

9.3

OVERALL

DESIGN rating score 9.00

FEATURES rating score 9.00

PERFORMANCE rating score10.00

VALUE FOR MONEY
rating score 9.00
  PROS
designWith a newly created chassis released with improved ventilation, but still managing to keep compact (even introducing new hardware inside) this is by FAR the best Synology design yet. A welcome improvement to the old DS916+ chassis.
featuresThe Synology DS918+ NAS will do it all. If you need a NAS to watch and transcode 4K, Run several VMs, Apple time machine backups, host a plex media server, run an itunes server, run a business from, run surveillance cameras over the network, provide a CRM and CMS system, as well as host several websites - The DS918+ is the NAS server for you
performanceEasily one of the best performing Synology NAS devices available for home and small business users. Also if the default hardware isn't enough, this is the easiest to upgrade, featuring RAM upgrades and NVMe slots
valueThis could possible be the best NAS of the year. We still have a couple of months before we can truly decide, but for this price and the HUGE amount of software and hardware option in the price threshold make it irresistible.

  CONS
designThe two rear fans, though fully controllable, cannot be completely switched off and this may annoy some people. However any noise they make on their lowest setting is still lower than the HDD you have installed.
featuresAlthough it can do many of these tasks at once, if you need to do ALL of them at once, you will need a solid Intel Xeon at the least.
performanceOnly fault I can find is that there is no 8GB Default version available to buy, as you found with the DS918+ (8GB).
valueIt is a shame that there is no 8-Bay option with this hardware - as the DS1817+ is rather disappointing by Comparison


Synology NAS guide

->Video
Synology DS918+ logo

Synology DS918 Key features


SATA to Gigabit Ethernet (1,000 Mbit/s)
4GB RAM
Intel Celeron J3455 Quad Core 1.5 GHz (up to 2.3 GHz)
3yr Warranty

free camera License
2x Free Camera Licenses

DiskStation DS918+
Powerful and scalable 4-bay NAS for growing businesses

High-speed scalable storage server
Synology DS918+ is designed for small and medium-sized businesses and IT enthusiasts. With a powerful built-in AES-NI hardware encryption engine, DS918+ provides exceptional encrypted file transmission. Also capable of transcoding up to two channels of H.265/H.264 4K videos at the same time, DS918+ is ideal for sharing and storing ultra-high definition media content.

CPU - Quad-core 1.5GHz burst up to 2.3GHz
Network - Dual 1GbE LAN ports
Memory - 4GB DDR3L, scalable up to 8GB
Performance - Over 225 MB/s and 221 MB/s encrypted sequential reading and writing


Hardware Specifications
CPU
CPU Model Intel Celeron J3455
CPU Architecture 64-bit
CPU Frequency Quad Core 1.5 burst up to 2.3 GHz
Hardware Encryption Engine (AES-NI)  
Hardware Transcoding Engine H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
Memory
System Memory 4 GB DDR3L
Memory Module Pre-installed 4GB (1 x 4GB)
Total Memory Slots 2
Memory Expandable up to 8 GB (4 GB x 2)
Storage
Drive Bays 4
Maximum Drive Bays with Expansion Unit 9
Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 NVMe 2280 SSD
Maximum Internal Raw Capacity 40 TB (10 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 90 TB (10 TB drive x 9) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive  
Notes
  • "Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • The maximum single volume size is not directly related to the maximum raw capacity. (Learn more)
  • Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.
External Ports
RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)
USB 3.0 Port 2
eSATA Port 1
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 166 mm x 199 mm x 223 mm 
Weight 2.28 kg 
Others
System Fan 92 mm x 92 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Wireless Support (dongle)  
Brightness adjustable front LED indicators  
Power Recovery  
Noise Level* 19.8 dB(A) 
Scheduled Power On/Off  
Wake on LAN/WAN  
Power Supply Unit / Adapter 100W 
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 28.8 W (Access) 
12.6 W (HDD Hibernation) 
British Thermal Unit 98.27 BTU/hr (Access) 
42.99 BTU/hr (HDD Hibernation) 
Environment Temperature
Operating Temperature 5°C to 40°C (40°F to 104°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification
  • FCC Class B
  • CE Class B
  • BSMI Class B
Warranty 3 Years
Notes Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 32
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX  
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • RAID 5
  • JBOD
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
SSD Support
SSD Read/Write Cache (White Paper)  
SSD TRIM  
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 1000
Windows Access Control List (ACL) Integration  
NFS Kerberos Authentication  
High Availability Manager  
Log Center  
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI  
Windows Server 2012  
Windows Server 2012 R2  
Citrix Ready  
OpenStack  
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)  
Central Management System  
Chat  
Maximum Users 1500
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server  
Maximum Number of Concurrently Connected Devices 1000
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Synced Files (btrfs) 1,000,000 / single file reaction time 744 ms
Maximum Number of Synced Files (ext4) 1,000,000 / single file reaction time 630 ms
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing.
  • File reaction time refers to the preparation time required for other devices to start downloading a 1KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer  
Download Station  
Maximum Concurrent Download Tasks 80
exFAT Access (optional)  
MailPlus / MailPlus Server  
Free Email Accounts 5 (Licenses required for additional accounts)
Recommended MailPlus Client Number Up to 90 (Btrfs) / 90 (ext4)
Maximum Server Performance 840,000 (Btrfs) / 1,014,000 (ext4) emails per day, approx. 25.6 GB (Btrfs) / 30.9 GB (ext4)
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server  
DLNA Compliance  
Office  
Maximum Users 200
Maximum Simultaneous Editing Users 80
Notes
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Snapshot Replication  
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station  
Maximum IP cam (Licenses required) 40 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 1200 FPS @ 720p (1280x720) 
840 FPS @ 1080p (1920×1080) 
400 FPS @ 3M (2048x1536) 
300 FPS @ 5M (2591x1944) 
180 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 480 FPS @ 720p (1280x720) 
400 FPS @ 1080p (1920×1080) 
330 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720) 
1200 FPS @ 1080p (1920×1080) 
600 FPS @ 3M (2048x1536) 
400 FPS @ 5M (2591x1944) 
300 FPS @ 4K (3840x2160)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station  
Video Transcoding 4K Group 1 (See more)
Maximum Transcoding Channel Number 2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or 2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
VPN Server  
Maximum Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • D3NS1866L-4G RAM Module
  • Expansion Unit: DX517 X 1
  • VS360HD
  • VS960HD


SSM2sam960e-1T Samsung
NVME drive Compatibility
find here

Samsung MZ-V5P256BW 950 PRO 1B0QBXX7 256GB M.2 NVMe SSD Enterprise no  
Samsung MZ-V5P512BW 950 PRO   512GB M.2 NVMe SSD Enterprise no  
Samsung MZ-V6E1T0 960 EVO   1TB M.2 NVMe SSD Consumer no  
Samsung MZ-V6E250BW 960 EVO 1B7QCXE7 250GB M.2 NVMe SSD Consumer no  
Samsung MZ-V6E500 960 EVO   500GB M.2 NVMe SSD Consumer no  
Samsung MZVPV128HDGM SM951 BXW7300Q 128GB M.2 NVMe SSD Consumer no  
Samsung MZVPV256HDGL SM951   256GB M.2 NVMe SSD Consumer no  
Samsung MZVPV512HDGL SM951   512GB M.2 NVMe SSD Consumer no
Spanstor Build And Test
If you buy this Synology DiskStation NAS and hard drives we do free build and test for the unit and hard drives. So you can use this device straight out of the box. All free of charge in DS918+ price.
Same Day and Next Day Delivery available in UK and fast WorldWide delivery for products in stock.
FREE Business Quotes available for products with specific requirements or quantities. Often cheaper than Amazon.

Synology DS918+ DiskStation NAS expansion units


When running out of hard drive capacity on the Synology, DX517 provides an easy way to immediately scale capacity up to 40TB by additional 5 hard drives. The RAID volume on the Synology DiskStation NAS can be expanded directly without having to reformat the existing hard drives, ensuring it continues its service during the capacity expansion.
Synology DS918+ expansion DX517 More Info
expansion video

Synology DS918+ DiskStation NAS RAM / Card upgrade options



Synology D3NS1866L-4G expansion D3NS1866L-4G D3NS1866L-4G More Info

Double your speed with Link Aggregation



Find Out More->



Add two Gigabit Ethernet ports and a USB 3.0 pass-through port to your laptop through a single USB 3.0 port


Find Out More->

10 Times faster Network with 10GbE



Find Out More->


Best 4 bay NAS- Synology 2017
Best for Plex, Surveillance, Performance, Connectivity, Energy saving, Warranty, Transcoding


Read More ->


best Synology 4 bay 2016






Specifications

General

Stock code IBSY-918P
Brand Synology
Series DiskStation NAS
Model DS918+
Type 4-Bay (4GB RAM)
ROHS Y
Date added 30/05/2017

DS918+ Spec Information

Form Factor / Drive Height 166x199x223 mm
Platter size 3.5"
Platter (alternate) 2.5"
RAM/Cache 4GB
Guarantee 3yr
Processor Intel Celeron J3455 Quad Core 1.5 GHz (up to 2.3 GHz)
CPU Mark (cpubenchmark.net) 2153
Total Drives 4
Total Drives (alternate) 4
RAID 0:1:5:6:

DS918+ Spec Connections

sub- connectionI/EQuantity
LANLANExternal2
SATASATA 7-pin Discrete with PowerInternal4
M.2NVMeInternal2
USB3USB3 type A (host)External2
eSATAeSATAExternal1

Software

DS918+ Speed

Speed/RPM SATA to Gigabit Ethernet (1,000 Mbit/s)

Physical

Colour Black
Weight (kg) 4kg
Weight (bare) 2.28kg
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Synology DiskStation NAS DS918+ reviews


23/04/2018 | | EU Flag |
I think I must have read everything there was to read about the DS918+ from Synology before I finally settled on buying it from Worldspan complete with 16TB of WD Red Harddrives and 2 m.2 NVMEs. I watched videos on Youtube read comparison sites a plenty and it was Robbie at Nascompares who finally pointed me in the right direction to Worldspan. He said I would get reassurance and any answers to any questions that I may have and he was spot on. I finally had my new NAS delivered last week and I cannot be more pleased. I know that if I have any questions or problems I can go back to them for advice. I would recommend this route to anyone else out there looking. Overthink and then end up here!
16/04/2018 | | EU Flag |
A very good alround machine
07/04/2018 | Arsenal Bill | EU Flag |
I have two friends with the DS918+ who rave about it so figured it was time to join the club! I am running CCTV storage, PLEX and general storage on it. I will probably recommend it to two more friends (I am sure this is how pyramid schemes start.....! ;) )
19/02/2018 | | US Flag |
Good job fellas. DS918 8GB arrived well built, tested and good to go.
08/02/2018 | | EU Flag |
Totally set up with this 918+. This is the uber 4 bay option from Synology, the support on it is excellent, fully capable of pretty much anything thrown at it, handles and runs beautifully.
01/02/2018 | | NL Flag |
So so happy with the DS918+! Runs our home data, kids movies, p/t home business, the works. The Synology User Interface is very friendly, perfect for us NAS newbies. A couple of friends already have this model and their recommendation was spot on.
16/11/2017 | Popular Question | GB Flag |
Is there a difference between network drive, backup drive, network hard drive and nas drive?

There is no physical difference between a network drive, backup drive, network hard drive and NAS drive, the MAIN difference is about the use of the equipment. So:

A Network Drive is a area on storage that is useable to anyone on the network and will be visible to the device you are using if you have the correct login/password.

A Backup Drive is a storage device is a area of NAS or DAS storage that is used JUST for backups and only for writing, not reading - it backs up one or multiple devices on a regular basis.


A Network Hard Drive is the same as a network drive, but instead of a portion of online storage that is network/internet accessible, it is an entire disk drive. Much larger and often includes a RAID drive acting as a fall-back.

A NAS Drive can do all of the above. It can be set up to be a backup drive for all your devices, it can make either a portion or ALL of the storage available over the internet or network, it can do all of these at the same time and can give you much, much more access options thanks to NAS software from the likes of QNAP, Synology, WD, Asustor, Buffalo and Drobo.


 

16/11/2017 | Popular Question | GB Flag |
What is a server at home?

A server at home is a network attached storage device (NAS) that is like a computer, but with the emphasis on storage space. They can be purchased for as little as £100 and mean all your data can be accessed, used and backed up to and from overt the internet or your home network (WiFi etc). Bigger and more expensive home servers can do more, such as virtual computers, surveillance recording and multimedia access.

16/11/2017 | Popular Question | GB Flag |
What is meant by diskless NAS?

A Diskless NAS means that it a network storage device that is sold without any Hard Drives inside. Many NAS Brands like WD and Buffalo will only sell their NAS server devices with Drives already installed - this can often increase the price significantly, as well as limit the Hard Drives you want to install. A diskless NAS is a device that you can choose which drives, how many and the capacity you want and install them yourself, for a more bespoke NAS storage device. Installing the Hard Drives is very easy and you can often save a lot of time and improve your long term storage by choosing a diskless NAS and selecting the drives yourself.

16/11/2017 | Popular Question | GB Flag |
What is a NAS external hard drive?

A NAS external Hard Drive is an external storage device that, unlike USB 3.0 and eSATA external Hard Drives, is accessed used the internet or your home network. So that means you can access the contents (DATA) of the NAS on your iPhone, iPad, Smart TV, PS4, XBOX One, Sonos Sound System, Bose system, Laptop, Smartphone and pretty much any DLNA enabled device without having to connect to it with a cable. Meaning you do not need to carry duplicates of all your data on all your devices, but can have one central NAS storage devices that all the other devices can access.

16/11/2017 | Popular Question | GB Flag |
How do I connect to my NAS remotely?

You can connect to your NAS server remotely with the mobile applications that are free with your NAS Brand manufacturer for iOS and Android. Alternatively you can use a number of desktop applications from the big brands QNAP and Synology NAS to access your device remotely. Lastly you can create a network and internet accessible drive with iSCSI and then setup software (Virtual Machine, backup, Surveillance and more) on your Mac or Windows machine to read and write to the NAS remotely.

16/11/2017 | Popular Question | GB Flag |
What is a NAS drive used for?

A NAS drive can be used for the following:

Apple Time Machine Backups
Synchronized Backups of Windows and Android devices
A Plex Media Server
DLNA Media Server
Download Server
Printer Server
Virtual Machine Deployment
Email Server
CRM and/or CMS System
A CCTV IP Camera Enabled Surveillance station for your home or office
File Server
and more...


 

16/11/2017 | Popular Question | GB Flag |
What are the different types of RAID?

The most popular and recommended RAID levels for a 2-Bay NAS and 4-Bay NAS from Synology and QNAP are:

RAID 0 - Meaning all drive storage is pooled together into 1 big drive - MOST UNSAFE
RAID 1 - Drives are duplicated so you lose half the available storage, but have a complete, up to the second copy of your data
RAID 5 - You lose 1 drive of data storage space, but data is spread across all the available drives and a small piece of information called PARITY is created each wave/stripe that makes a blueprint of all the data
RAID 6 - Same as above, but it removes two drives worth of space and protects you against the loss of two Hard Drives

16/11/2017 | Popular Question | GB Flag |
What is a RAID hard drive?

A RAID Hard drive is a Hard Disk Drive that is designed to be used in a RAID configuration - in simple terms it is a drive that can be installed with multiple other drives of the same type (such as WD Red RAID Drives, WD Purples Surveillance RAID Drives and Seagate Ironwolf NAS RAID Drives). These are designed to be on for long periods of time and for handling data that is shared and/or duplicated across multiple drives at once - constructed with better vibration, head and access controls). Most other drives are designed to work on their own.

16/11/2017 | Popular Question | GB Flag |
What is raid on a NAS?

RAID on a NAS is a means to protect yourself from losing your data due to hard drive failure. Hard Drives are the 2nd most vulnerable area of a NAS device and if a drive fails and you do not have a copy of the data elsewhere, you will most likely lose it all. RAID gives you a safety net (called REDUNDANCY) which means you can afford to lose 1, 2 or even 3 hard drives with the right configuration. The most common options are:

RAID 0 - Meaning all drive storage is pooled together into 1 big drive - MOST UNSAFE
RAID 1 - Drives are duplicated so you lose half the available storage, but have a complete, up to the second copy of your data
RAID 5 - You lose 1 drive of data storage space, but data is spread across all the available drives and a small piece of information called PARITY is created each wave/stripe that makes a blueprint of all the data
RAID 6 - Same as above, but it removes two drives worth of space and protects you against the loss of two Hard Drives

16/11/2017 | Popular Question | GB Flag |
What is a personal cloud storage device?

A personal Cloud storage device is a piece of Hardware, Like a NAS, that gives you the access, freedom, speed and utility of popular 3rd party cloud providers such as Dropbox, Google Drive, iCloud, Amazon S3 and more. However unlike those providers that hold your data on a server farm hundreds or thousands of miles away, where you it can be broken into, a Personal Cloud (NAS) lives in your home/office and can be protected with both bespoke AES-256bit encryption, individual login credentials and if the worst case scenario, can be simply unplugged from the network/internet.


It is also considerably cheaper in the long term.


 

16/11/2017 | Popular Question | GB Flag |
How do you connect to a NAS?

You can connect to a device in several ways:


- You can connect to a NAS via your home network as long as it is connected to the same router/switch that your other devices are connected to, via cable or over Wi-Fi (the devices, not the NAS)


- You can connect over the internet using the NAS manufacturer’s respective software on desktop or mobile platforms for Mac, Windows and Android devices


- You can also access the data as a network drive (where the location of the drive with be an IP - 192.168. etc.) and then the drive can be read and written to as needed


Thank you


 

16/11/2017 | Popular Question | GB Flag |
How does a NAS device work?

Excellent Question. A NAS devices like a computer that is dedicated to storing data that is made accessible across all your internet enabled devices. It connects to your home network (in simple terms, the internet connected network in your home or office) and makes the data that is store on it accessible. You can also access the data from outside the phone via WiFi at hotspots and other buildings, or via your mobile 3G or 4G internet connection.

16/11/2017 | Popular Question | GB Flag |
Do you really need a NAS?

If you have data spread across multiple devices without a single backup location, then YES, you really do need a NAS drive. As it will make backing up with multiple devices easier, more automated and reliable.


If you are a business with large amounts of data that needs to be accessible quickly, across multiple machines or outside your office environment for off-site staff or clients, then YES you needs a NAS.


If you want your internet accessible data to be 100% inaccessible when needed (for security) and are considering a Cloud provider or a NAS, BUY A NAS!!! It is cheaper in the long run and can have individual and bespoke security measures. 


 

16/11/2017 | Popular Question | GB Flag |
What is a NAS drives for home?

A NAS drive for Home is the means of storing your data in a central location that can be used for more home and entertainment based applications. Often these are 2-Bay or 4-Bay NAS Devices that support applications such as Plex, DLNA Server support, Backups like Apple Time Machine and Surveillance over IP cameras from companies such as Edimax and Reolink. The Hard drives in a NAS Drive for Home are recommended to be WD Red NAS Drives or Seagate Ironwolf NAS drives.


 

05/10/2017 | | GB Flag |
I got it for virtual machines in my office- works great!
03/10/2017 | mexico | MX Flag |
ds918+ vs ts-453B
please check our youtube channel where we have comparisons between many models,

e.g. DS916+ vs TS-453B : https://www.youtube.com/watch?v=O44wbPK6Ztg
e.g. DS918+ vs DS916+ : https://www.youtube.com/watch?v=0OIDPoA83rU


SPAN.COM tech team
02/10/2017 | | GB Flag |
Synology ds918+ plex works just great. This video transcoding engine really gives this extra push.

If more VMs needed I would do ds918+ ram upgrade
26/09/2017 | | GB Flag |
Unbelievable innovation from Synology. NVME with its crazy fast speeds speed up massively internal operations. This is definitely be best selling NAS of 2018!
26/09/2017 | eric | US Flag |
hello, Do you have a package with 8g ram and 1 ssd m.2 with 128g or 250g Thanks
Sure! Just add the RAM and SSD drive to your cart and we will build it and test it all free of charge. So you can be asured that you will have out of the box 100% working solution.

RAM can be found here (https://www.span.com/product/Synology-DDR3L-RAM-D3NS1866L-4G-4GB-SODIMM-Memory-for-18+-range-see-list-4GB~62550 )
128GB NVMe SSD (https://www.span.com/product/Intel-SSD-600p-SSDPEKKW128G7X1-M-2-2280-NVMe-128GB-SSD~59232 ) 
250GB SDD  (https://www.span.com/product/Samsung-SSD-960-EVO-MZ-V6E250BW-M-2-2280-NVMe-250GB-SSD~59581


SPAN.COM tech team
26/07/2017 | | GB Flag |
NVMe speed is over 2000 MB/s that's more than 5 times faster than regular SSD.


* Image courtesy of stockimages at FreeDigitalPhotos.net
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