When performance meets style
DS620slim is a mini 6-bay NAS with a stylish chassis design, perfectly blending in modern workplaces or apartments. Supporting near-instantaneous snapshot technology and real-time 4K video transcoding, DS620slim is an all-around file management solution that fulfills professionals needs of advanced data protection and high-quality media streaming.
Dual-core 2GHz burst up to 2.5GHz
DDR3L 2GB, up to 6GB
Over 226 MB/s reading and 198 MB/s writing
2-channel 4K H.264/H.265 video transcoding
Remain classic while shrinking footprint
The mini 6-bay design keeps DS620slim classic and saves deployment space. With six 2.5" drive support, DS620slim is able to boost performance by installing SSDs.
Mini design with the dimensions of 121 x 151 x 175 mm, flexible to fit in anywhere
Flexible in a variety of RAID configurations to realize maximum 30TB raw capacity or better data protection with RAID 5/6/10 (Learn more)
SSD Cache Support
Further enhance storage performance with SSD read/write cache while still having abundant drive bays for data storage
Intel Celeron J3355
Dual Core 2.0 (base) / 2.5 (burst) GHz
Hardware Encryption Engine (AES-NI)
Hardware Transcoding Engine
H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1 maximum resolution: 4K (3840 x 2160)) maximum frame rate per second (FPS): 30
2 GB DDR3L
Memory Module Pre-installed
2 GB (2 GB x 1)
Total Memory Slots
Memory Expandable up to
6 GB (2 GB + 4 GB)
Synology reserves the right to replace memory modules with the same or higher frequency based on suppliers 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.
Compatible Drive Type
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity
30 TB (5 TB drive x 6) (Capacity may vary by RAID types)
Maximum Single Volume Size
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.
Each internal volume (may consist of multiple drives) is expandable up to 108TB.
RJ-45 1GbE LAN Port
2 (with Link Aggregation / Failover support)
USB 3.0 Port
exFAT Access is purchased separately in Package Center.
80 mm x 80 mm x 1 pcs
Fan Speed Mode
Easy Replacement System Fan
Brightness Adjustable Front LED Indicators
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter
AC Input Power Voltage
100 V to 240 V AC
50/60 Hz, Single Phase
34.88 W (Access)
7.59 W (HDD Hibernation)
British Thermal Unit
119.1 BTU/hr (Access)
25.92 BTU/hr (HDD Hibernation)
Power consumption is measured when its 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: 23.6oC Humidity: 58.2%
5oC to 40oC (40oF to 104oF)
-20oC to 60oC (-5oF to 140oF)
5% to 95% RH
Main Unit X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1
D3NS1866L-4G DDR3 non-ECC SO-DIMM
Surveillance Device License Pack
Item Dimension (L"xW"xH")
6 x 7 x 5
Warranty : 1 Year Warranty
Orders placed before 3pm AEST will be dispatched on the same day. There may be dispatch delays during busy sale periods*
We offer Free Next Business Day Delivery to capital cities within the Express Post Network.
Shipping to metro areas takes 1-3 business days.
Shipping to regional rural areas outside of the Express Post Network may take 2-5 business days.
At this stage we do not offer same day delivery.
ORDER VALUE DELIVERY COST Under $100 AUD $9.95 AUD for Express Shipping Over $100 AUD Free Express Shipping
PUBLIC HOLIDAYS & WEEKENDS
Black Swallow does not operate on public holidays or weekends. All orders placed on a public holiday or weekend will be shipped on the next business day.
Items that are a pre-order will be labelled as a pre-order with estimated dispatch times stated. Once your order is ready for dispatch, your parcel will be shipped via Australia Post Express Post.
We do not split-ship. If your order contains both in-stock and pre-order items, your entire order will be shipped out together once all items are in-stock. We recommend that you place separate orders for in-stock and pre-order items so that your entire order is not held up.
To ensure you get the lowest prices and fastest shipping, some products are shipped directly from our marketplace sellers. These products are marked clearly with “This item ships directly from Marketplace seller”. The delivery speed will vary depending on the seller and their location. Your order may be split shipped if you are ordering from the Black Swallow Marketplace.