Synology DiskStation DS920+
Synology DiskStation DS920+
Synology DiskStation DS920+
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Synology DiskStation DS920+

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Capacity-scalable NAS with SSD Cache Acceleration Capability Synology DiskStation DS920+ is an ideal network-attached storage solution designed to streamline data management and productivity. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. With scalable storage design, DS920+ lets you start small and expand storage capacity with the Synology DX517 as your data grows.


  • Accelerated Application Performance

Average 15% performance boost to photo indexing

and other computing-intensive operations, as well as

database response time2

  • Reach Optimal Performance and Capacity with SSD


Built-in M.2 2280 NVMe SSD slots permit cache

acceleration without occupying storage drive bays

  • Expand Storage with Ease

Flexibly scale up to nine drives to increase storage

capacity as demand grows

  • Empower Collaboration and Productivity

Build an on-premises, multi-user collaboration

environment with fine-grained control

  • Protect and Restore Data in a Snap

Back up critical data and reduce your Recovery Time

Objective (RTO) with Snapshot Replication

  • Ready to Go Virtualized

Set up and run mainstream virtual machines within

your Synology NAS

  • Safeguard Your Physical Assets with 24/7


Feature-rich Surveillance Station with user-friendly

management tools

Technical Specifications

CPU CPU Model Intel Celeron J4125

CPU Quantity 1

CPU Architecture 64-bit

CPU Frequency 4-core 2.0 (base) / 2.7 (burst) GHz

Hardware Encryption Engine (AES-NI)
Memory System Memory 4 GB DDR4 non-ECC

Total Memory Slots 1

Maximum Memory Capacity 8 GB (4 GB + 4 GB)

Notes 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.
Please 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.
Storage Drive Bays 4

Maximum Drive Bays with Expansion Unit 9 (DX517 x 1)

M.2 Drive Slots 2 (NVMe)

Compatible Drive Type* (See all supported drives) 3.5" SATA HDD
M.2 2280 NVMe SSD

Hot Swappable Drive*

Notes The hot swappable drive feature is not supported by M.2 SSD slots.
"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.
External Ports RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)

USB 3.2 Gen 1 Port* 2

eSATA Port 1

Notes The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
File System Internal Drives Btrfs

External Drives Btrfs

Notes exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.
Appearance Size (Height x Width x Depth) 166 mm x 199 mm x 223 mm

Weight 2.24 kg
Others System Fan 92 mm x 92 mm x 2 pcs

Fan Speed Mode Full-Speed Mode
Cool Mode
Quiet 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 / Adapter 100 W

AC Input Power Voltage 100V to 240V AC

Power Frequency 50/60 Hz, Single Phase

Power Consumption 32.17 W (Access)
9.69 W (HDD Hibernation)

British Thermal Unit 109.84 BTU/hr (Access)
33.09 BTU/hr (HDD Hibernation)

Notes Power 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%
Temperature Operating Temperature 0°C to 40°C (32°F to 104°F)

Storage Temperature -20°C to 60°C (-5°F to 140°F)

Relative Humidity 5% to 95% RH
Certification FCC