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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.

Capacity16.0 TB
Form factor3.5"
TypeHDD
InterfaceSAS
Interface speedSAS 12Gb/s
SeriesUltrastar DC HC555
ClassEnterprise
Spindle speed7200 RPM
Cache512 MB source
Sequential read269 MB/s
Sequential write269 MB/s
Annual workload rating550 TB/year
MTBF2500000 hours
Warranty5 years source
Recording technologyCMR
Sector format512e
Fill gasHelium
EncryptionSED (unspecified)
Power, active9.2 W
Power, idle5.7 W
Operating temperature41 to 140 °F (5 to 60 °C) source
Height (z-height)1.03 in (26.1 mm)
Weight1.5 lb (690 g)
Released2020
Vendor part numbersWUH722016CL5204

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New: $1,227.16 incl. listed shipping Checked 2026-11-03

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.

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Certified on 2 QNAP NAS models

Show all 2 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.