Synology DiskStation NAS DS3018xs 6-Bay, 4x 1GbE, PCIe (8GB RAM)
DiskStation DS3018xs Powerful 6-bay NAS designed for work-intensive businesses
High-performance NAS server with scaling flexibility Powered by a dual-core processor with AES-NI hardware encryption engine, Synology DiskStation DS3018xs is a brand new 6-bay NAS that comes with a PCIe slot and can be installed with a 10GbE network interface card or a dual M.2 SSD adapter card. SSD cache support enhances network speeds and boosts performance, allowing DS3018xs to meet data-intensive requirements.
CPU - Dual-core Turbo Boost up to 2.6 GHz Memory - 8GB DDR4 ECC RAM, up to 32GB Ultra Performance - 2,231 MB/s reading, 265,000 sequential IOPS reading Scalability - Up to 30 drives with two DX1215
Supercharge your storage with speedy performance Equipped with dual-channel memory and a PCIe slot, DS3018xs supports installing the dual M.2 SSD adapter card, M2D17, or the 10GbE NIC, for high-IOPS system cache and ultra-fast data transmission respectively. SSD - Dual M.2 SATA SSD slot, compatible with 2280/2260/2242 form factors 10GbE - 10GbE network capacity for bandwidth intensive environments
Next-generation file system for better data protection The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools. Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots File or folder level data restoration makes data recovery fast and flexible Automatic file self-healing detects and recovers corrupted files without user intervention
Intel Pentium D1508
Dual Core 2.2 GHz 2.2 (base) / 2.6 (turbo) GHz
Hardware Encryption Engine (AES-NI)
8 GB DDR4 ECC SO-DIMM
Memory Module Pre-installed
8GB (1 x 8GB)
Total Memory Slots
Memory Expandable up to
32 GB (16 GB x 2)
Maximum Drive Bays with Expansion Unit
Compatible Drive Type* (See all supported drives)
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity
60 TB (10 TB drive x 6) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units
300 TB (10 TB drive x 30) (Capacity may vary by RAID types)
Maximum Single Volume Size
200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only)
Hot Swappable Drive
"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 or 200TB if upgraded to 32GB RAM or more.
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support)
USB 3.0 Port
1 x Gen3 x8 slot (x8 link)
M2D17 - Dual M.2 SSD adapter card for SSD cache
DS3018xs with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
exFAT Access is purchased separately in Package Center.
Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications ( See more )
Maximum Internal Volume Number
Maximum iSCSI Target Number
Maximum iSCSI LUN
iSCSI LUN Clone/Snapshot, Windows ODX
Supported RAID Type
Basic to RAID 1
Basic to RAID 5
RAID 1 to RAID 5
RAID 5 to RAID 6
Volume Expansion with Larger HDDs
Volume Expansion by Adding a HDD
Global Hot Spare Supported RAID Type
SSD Read/Write Cache (White Paper)
File Sharing Capacity
Maximum Local User Accounts
Maximum Local Groups
Maximum Shared Folder
Maximum Shared Folder Sync Tasks
Maximum Concurrent CIFS/AFP/FTP Connections
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Syslog Events per Second
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)
Central Management System
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
Maximum Number of Concurrently Connected Devices (with RAM expansion)
Maximum Number of Synced Files (btrfs)
1,000,000 / single file reaction time 640 ms
Maximum Number of Synced Files (ext4)
1,000,000 / single file reaction time 387 ms
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.
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.