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Capacity0.4 TB
Form factor2.5"*
TypeSSD*
InterfaceSAS
Interface speedSAS 12Gb/s
Sequential read1100 MB/s
Sequential write765 MB/s
Endurance18250 TBW
MTBF2500000 hours
NAND typeMLC
Endurance (drive writes/day)25 DWPD
Random read (4K)130000 IOPS
Random write (4K)110000 IOPS
Power, active11 W
Power, idle2.2 W
Operating temperature32 to 140 °F (0 to 60 °C)
Height (z-height)0.59 in (15.0 mm)
Weight6.6 oz (187 g)
Released2014

Recently observed offers

Used: $76.00 incl. listed shipping Checked 2026-11-02

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 5 QNAP NAS models

Show all 5 QNAP models

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