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Capacity4.0 TB
Form factor2.5"*
TypeSSD*
InterfaceSATA
Interface speedSATA 6Gb/s
Sequential read560 MB/s
Sequential write530 MB/s
Endurance600 TBW
MTBF1750000 hours
Warranty5 years
NAND type3D TLC
Random read (4K)95000 IOPS
Random write (4K)82000 IOPS
Power, active3.8 W
Operating temperature32 to 158 °F (0 to 70 °C)
Power, standby/sleep0.012 W
Height (z-height)0.28 in (7 mm)
Weight2 oz (58 g)
ReleasedMay 2017

Recently observed offers

Used: $315.00 + 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 70 QNAP NAS models

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