Synology DS920+ 4-bay NAS Review - Good but Pricey 15

Synology DS920+ 4-bay NAS Review - Good but Pricey

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

I reviewed the DS918+ three years ago, so it is now time to take a look at its successor, the DS920+, which looks the same externally. The main differences between these models are listed below.

Synology DS920+ vs DS918+
CPUIntel Celeron J4125
2.0 GHz, boost up to 2.7 GHz
10 W TDP
Intel Celeron J3455
1.5 GHz, boost up to 2.3 GHz
10 W TDP
GPUIntel UHD Graphics 600
250–750 MHz
up to 8 GB
Intel HD Graphics 500
250–750 MHz
up to 8 GB
Memory4 GB DDR4 onboard
(expandable, up to 8 GB)
(expandable, up to 8 GB)

The significant differences are in the faster CPU and RAM and the more capable, embedded GPU of the Intel Celeron J4125 SoC used by the DS920+. There is no doubt that the new model packs more power, but I am disappointed by the networking section. With many mainboards nowadays providing 2.5 Gb support and compatible switches priced reasonably, I expected faster Ethernet ports. In NAS servers, networking capabilities are just as crucial as the SoC; Synology should upgrade this section, too.


Synology DS920+ Specifications
ProcessorIntel Celeron J4125 4-core 2.0 GHz, boost up to 2.7 GHz
Hardware Encryption EngineAES-NI
Operating SystemEmbedded Linux
Memory4 GB DDR4 onboard (expandable, up to 8 GB)
Storage4x 3.5" or 2.5" SATA HDD/SSD (drives not included)
2x M.2 2280 NVMe SSD (drives not included)
Capacityup to 64 TB (disks not included)
Max. Raw Capacity with Expansion Units144 TB (9x 16 TB drive), capacity may vary based on RAID type
RAID LevelsSingle Disk, JBOD, SHR,
RAID 0, 1, 5, 6, 10
File System (internal drives)Btrfs, EXT4
File System (external drives)
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT* (optional purchase)
iSCSITarget & Initiator
Networking2x Gigabit (RJ-45)
I/O Ports2x USB 3.0
1x eSATA
IP Cameras40 (including the two free licenses)
4K Transcoding CapabilityYes (4K Group 1)
VPN Server
(max. number of connections)
Dimensions166 (H) x 199 (W) x 223 (D) mm
Weight0.88 kg
Power ConsumptionAccess: 32.17 W
HDD Hibernation: 9.69 W
Power SupplyExternal (EA11011D-120), 100 W, 100–240 V
Fan2x 92 mm (FD129225LL-N)
Warranty3 years (5 years with optional EW201 bundle)
Price excluding VAT
(at time of review)


As expected, the price is stiff, but a three-year warranty has been included, and around an additional $100 will get you their EW201 bundle, which extends it to five years.
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