Synology DiskStation DS620slim
Synology DiskStation DS620slim
Synology DiskStation DS620slim
Synology DiskStation DS620slim
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  • Load image into Gallery viewer, Synology DiskStation DS620slim

Synology DiskStation DS620slim

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Mini Private Server Combining Performance and Style
Greet the unique and compact DS620slim, ready to boost your productivity at work, and its mini design allows it to blend in any workplace harmoniously. With feature-rich DiskStation Manager (DSM) at your disposal, DS620slim is an ideal file server delivering seamless file synchronization and solid backup solution while securely safeguarding your critical services. DS620slim also comes with 4K video transcoding support, perfect for streaming ultra-high definition media contents.


  • Mini-sized yet powerful 6-bay NAS, ready to

maximize your work productivity

  • 6 drive bays with better RAID flexibility to configure

2.5” HDDs and SSDs

  • 2GB DDR3L memory, expandable up to 6GB
  • Over 220 MB/s reading and 190 MB/s writing even

under encrypted data transmission1

  • Dual-channel H.265/H.264 4K video transcoding of the fly2
  • Advanced Btrfs file system, offering 65,000 systemwide snapshots and 1,024 snapshots per shared folder
  • Anywhere access with iOS and Android ready mobile apps

Technical Specifications

CPU CPU Model Intel Celeron J3355

CPU Quantity 1

CPU Architecture 64-bit

CPU Frequency 2-core 2.0 (base) / 2.5 (burst) 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 2 GB DDR3L non-ECC SODIMM

Memory Module Pre-installed 2 GB (2 GB x 1)

Total Memory Slots 2

Maximum Memory Capacity 6 GB (2 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 6

Compatible Drive Type* (See all supported drives) 2.5" SATA HDD

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.
External Ports RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)

USB 3.2 Gen 1 Port* 2

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) 121 mm x 151 mm x 175 mm

Weight 1.4 kg
Others System Fan 80 mm x 80 mm x 1 pcs

Fan Speed Mode Full-Speed Mode
Cool Mode
Quiet Mode

Easy Replacement System Fan

Brightness Adjustable Front LED Indicators

Power Recovery

Noise Level* 20.5 dB(A)

Scheduled Power On / Off

Wake on LAN / WAN

Power Supply Unit / Adapter 65 W

AC Input Power Voltage 100V to 240V AC

Power Frequency 50/60 Hz, Single Phase

Power Consumption 34.88 W (Access)
7.59 W (HDD Hibernation)

British Thermal Unit 119.1 BTU/hr (Access)
25.92 BTU/hr (HDD Hibernation)

Notes Power consumption is measured when it is fully loaded with Western Digital 1TB WD10JFCX hard drive(s).
Noise Level Testing Environment: Fully loaded with WD 1TB WD10JFCX 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: 17.2 dB(A); Temperature: 23.6˚C; Humidity: 58.2%.
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