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A datacenter-class drive: higher workload rating and longer warranty than a consumer model, usually at a higher price per terabyte.

Capacity0.4 TB
Form factor2.5"*
TypeSSD*
InterfaceSAS
Interface speedSAS 12Gb/s
ClassEnterprise
Sequential read2100 MB/s
Sequential write2050 MB/s
Endurance7300 TBW
MTBF2500000 hours
Warranty5 years
NAND typeMLC
Endurance (drive writes/day)10 DWPD
Power-loss protectionYes
EncryptionTCG Enterprise
Random read (4K)400000 IOPS
Random write (4K)200000 IOPS
Power, active9 W
Power, idle3.7 W
Operating temperature32 to 140 °F (0 to 60 °C)
Height (z-height)0.59 in (15 mm)
Weight4.9 oz (140 g)
Released2017

Recently observed offers

Open box: $205.95 incl. listed shipping Checked 2026-11-09
Used: $54.95 + shipping Checked 2026-11-09

Cheapest exact-model fixed-price listing found per condition (New, Refurbished, Used) -- shown only for conditions with a real match, checked within three days of this page build. Availability and shipping may change; confirm at the seller.

* Decoded from the drive model number, not stated by the NAS manufacturer.

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Certified on 1 QNAP NAS model

Show all 1 QNAP model

The certified list above comes from QNAP's published Hardware Compatibility List. Certification is the manufacturer's statement, not a test performed here.