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Product datasheet

Western Digital  SATA 6Gb/s  New / refurbished 

WD Ultrastar DC HC550 16TB Enterprise HDD (WUH721816ALE6L4)

16TB Ultrastar data-centre drive with CMR recording, helium sealing and a 550TB/year workload rating.

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Macro view of an enterprise hard drive platter surface
Platter surface, macro — what a full surface scan verifies

The Ultrastar DC HC550 is Western Digital’s 16TB data-centre platform: helium-sealed, CMR, and rated for sustained 24/7 operation in multi-drive enclosures.

It is widely deployed in cloud and enterprise storage, and is often specified where a customer already runs Ultrastar fleets and wants to keep firmware and behaviour consistent.

Specifications

Field Value
Part number WUH721816ALE6L4
Brand Western Digital
Series Ultrastar DC HC550
Capacity 16TB
Interface SATA 6Gb/s
Form factor 3.5-inch
Rotational speed 7200 RPM
Cache / DRAM 512MB
Endurance (DWPD / TBW) 550TB/year workload rating
Condition options New / refurbished
Typical use cases Cloud storage, server builds, NAS

Specifications are indicative and taken from manufacturer datasheets. Confirm the exact revision with our team before design-in.

Related

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