Synology DS620slim 6-bay NAS Review 9

Synology DS620slim 6-bay NAS Review

Packaging, Contents & Bundle, Exterior »


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We would like to thank Synology for supplying the review sample.

The last time I reviewed a Synology slim NAS model was years ago, back in 2014, so I immediately grabbed the opportunity once they offered me the DS620slim. These "slim" NAS servers are ultra-compact since they can only host 2.5" drives, which increases cost and decreased capacity compared to NAS servers compatible with 3.5" drives. However, if available space is a concern and you don't have increased capacity requirements, the DS620slim is one of few products that fits the bill. QNAP also has a couple of products in its portfolio with compact dimensions, but I haven't had the opportunity to evaluate them.

Despite its small footprint, the DS620slim can take up to six drives. According to Synology, an ideal scenario is to use a mix of HDDs and SSDs, of which the fastest is used as cache to improve network transfer speeds and the responsiveness of the server to data queries. In my case, I will only use SSDs to remove any bottlenecks the much slower 2.5" HDDs can cause. With the prices of SSDs slowly dropping by the day, you will soon be able to use 2 TB or higher capacity SSDs with such compact NAS servers without it breaking the bank.


Synology DS620slim Specifications
ProcessorIntel Celeron J3355 dual-core 2.0 GHz, burst up to 2.5 GHz
Operating SystemEmbedded Linux
Memory2 GB SO-DIMM DDR3 (Expandable. Max 6 GB)
Storage6x 2.5" SATA II/III
RAID Levels:Single Disk, JBOD,
RAID 0, 1, 5,
5 + Hot Spare, 6, 6 + Hot Spare, 10, 10 + Hot Spare
Capacityup to 30 TB (disks not included)
iSCSITarget & Initiator
Networking2x 10/100/1000 Mbit Ethernet
I/O PortsUSB 3.0 x 2
Dimensions121 (H) x 151 (W) x 175 (D) mm
Weight1.4 kg
Power Consumption34.88 W (Access) *
7.59 W (HDD Hibernation) *
* Fully loaded with Western Digital 1 TB WD10JFCX hard drive(s)
Power SupplyExternal (EA10681Y-120), 65 W, 100-240 V
Fan1x 80 mm (Y.S Tech FD128020HL)
Warranty2 years
Price excluding VAT
(at the time of the review)


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May 16th, 2022 01:20 EDT change timezone

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