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Synology SNV3400-400G 400GB SSD Review

Rating: 8.0.

One of the leading lights in the NAS device world, Synology, now have their own NVMe M.2 SSD range – the 400GB SNV3000 series. Designed to be used as a cache drive in their NAS devices, the M.2 22110 SNV3500 SNV3400-400G comes with power loss protection, while the SNV3400-400G built on the more familiar M.2 2280 format, does not have such protection.

The drives use a combination of the enterprise edition (DC) of one of the most popular current PCIe 3.0 controller's, Phison's PS5012-E12 and Kioxia BiCS3 64-layer 3D TLC NAND.

Synology rate both the SNV3400-400G and the SNV3500 as up to 3,100MB/s (QD32) for Sequential reads and up to 550MB/s (QD32) for writes. Random read/write performance is quoted as up to 205,000 IOPS and 40,000 IOPS respectively at a QD of 256.

Typical power consumption figures for the SNV3400-400G are; 3.2W for both active read and writes with a 2W idle rating while the SNV3500-400G figures are; 3.7W typical active read, 3.4W typical active write and again a 2W idle rating.

Synology rates the endurance of the SNV3400-400G as 500TB TBW (works out at around 0.68 DWPD) and supports the drive with a 5-year warranty.

Physical Specifications:

  • Usable Capacities: 400GB.
  • NAND Components: Kioxia BiCS3 64-layer 3D TLC NAND.
  • NAND Controller: Phison PS5012-E12DC.
  • Cache: 4GB DDR4.
  • Interface: PCIe 3.0 x4, NVMe.
  • Form Factor: M.2 2280.
  • Dimensions: 22 x 80 x 3.5mm.

Firmware Version: ECEM12.4.

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