DiskStation DS420+
Streamline your data management

High performance NAS with SSD cache acceleration capability
Synology DS420+ is designed for IT enthusiasts and home users. Equipped with a 2-core processor and built-in M.2 NVMe 2280 SSD slots for cache acceleration, DS420+ is ideal for data sharing, video streaming, and photo indexing.
CPU : 2-core 2.0 GHz, burst up to 2.9 GHzCache Acceleration : 2 x built-in M.2 2280 NVMe SSD slotsPerformance : Average 15% boost to computing-intensive applications1Network : 2 x 1GbE LAN ports
Boost performance with built-in SSD slots
DS420+ provides two built-in M.2 SSD slots so that you can take full advantage of Synology SSD Cache functionality. Add SSD cache for up to 20 times faster I/O response without using front drive bays.

Accelerate demanding applications
A more powerful CPU speeds up computing-intensive applications. The new 2-core processor boosts photo indexing, database response times, and web PHP response efficiency. Easily categorize your photo memories, smoothly manage files across computers and mobile devices, and enjoy blazing fast web applications.

Access and sync your files seamlessly
Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS. 
Sync files on demand: Save the storage space and network bandwidth of your PC.
Go back in time: Easily retrieve previous versions of your shared files.
Back up your data: Protect your files as scheduled or in real-time.


Your personal entertainment and multimedia hub
Access multimedia content anytime, anywhere through an intuitive web-based interface.

Audio Station
Audio Station is your personal music center, designed to intelligently sort and organize your audio files, and stream to Google Cast enabled devices. Audio Station supports lossless formats to ensure pristine audio quality.

Moments
Organize your photos intelligently with Moments, a modern, AI-enabled photo management application that lets you effortlessly preserve your precious memories. 
Video Station
Video Station lets you easily manage and organize movies, TV shows, and home videos, and stream content to computers, smartphones, and media players.


Seamless integration with your mobile devices
Synology mobile applications are designed to allow quick and secure access to your data wherever you are.

Engineered for reliability, backed by Synology
DS420+ is designed to reliably store your data and is backed by Synology's three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage. 

Powered by Synology DSM

Desktop Backup
Simplified backup solution for your Mac, PC, and mobile devices.

DSM UI
Award-winning operating system with an intuitive user interface and powerful capabilities.

Snapshot Replication
Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.

Synology Drive
A versatile solution for file management and synchronization. 

File Server/Management
Powerful built-in file management and sharing services.

Security
Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.

Notes:
Performance figures are based on the average percentage improvement of DS420+ relative to its predecessor, as tested at Synology labs. Test items include file indexing in Synology Drive and photo indexing in Moments.



CPUCPU ModelIntel Celeron J4025 CPU Architecture64-bit CPU Frequency2-core 2.0 (base) / 2.9 (burst) GHz Hardware Encryption Engine (AES-NI) MemorySystem Memory2 GB DDR4 non-ECC Total Memory Slots1 Memory Expandable up to6 GB (2 GB + 4 GB) NotesPlease select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.StorageDrive Bays4 M.2 Drive Slots2 (NVMe) Compatible Drive Type*3.5" SATA HDD2.5" SATA HDD2.5" SATA SSDM.2 2280 NVMe SSD Maximum Internal Raw Capacity64 TB (16 TB drive x 4) (Capacity may vary by RAID types) Maximum Single Volume Size*108 TB Hot Swappable Drive  Notes"Compatible drive type" indicates 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.Each internal volume (may consist of multiple drives) is expandable up to 108TB.External PortsRJ-45 1GbE LAN Port2 (with Link Aggregation / Failover support) USB 3.0 Port2File SystemInternal DrivesBtrfsEXT4 External DrivesBtrfsEXT4EXT3FATNTFSHFS+exFAT* NotesexFAT Access is purchased separately in Package Center.AppearanceSize (Height x Width x Depth)166 mm x 199 mm x 223 mm Weight2.18 kgOthersSystem Fan92 mm x 92 mm x 2 pcs Fan Speed ModeFull-Speed ModeCool ModeQuiet Mode Brightness Adjustable Front LED Indicators  Power Recovery  Noise Level*19.8 dB(A) Scheduled Power On / Off  Wake on LAN / WAN  Power Supply Unit / Adapter90 W AC Input Power Voltage100 V to 240 V AC Power Frequency50/60 Hz, Single Phase Power Consumption*28.30 W (Access)
8.45 W (HDD Hibernation) British Thermal Unit96.63 BTU/hr (Access)
72.11 BTU/hr (HDD Hibernation) NotesPower consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%TemperatureOperating Temperature0°C to 40°C (32°F to 104°F) Storage Temperature-20°C to 60°C (-5°F to 140°F) Relative Humidity5% to 95% RHCertificationEACVCCICCCRCMKCFCCCEBSMIWarranty3-year hardware warranty, extendable to 5-year coverage - EW201 NotesThe warranty period starts from the purchase date as stated on your purchase receiptEnvironmentRoHS CompliantPackaging ContentMain Unit X 1Accessory Pack X 1AC Power Adapter X 1AC Power Cord X 1RJ-45 LAN Cable X 2Quick Installation Guide X 1Optional AccessoriesD4NESO-2666-4G DDR4 non-ECC SO-DIMM*2.5" SATA SSD: SAT5200M.2 2280 NVMe SSD: SNV3400VS360HDVS960HDSurveillance Device License Pack NotesAll memory modules will operate at the maximum frequency specified by the CPU manufacturer.Notes:Model specifications are subject to change without prior notice.The figures are based on Synology internal testing. No other services or applications are processed during the performance tests.