10TB SAS Hard Drive Used for WD HUH721010AL5200 12G 7200RPM 3.5" Enterprise Hard Disk for Storage Array
WD Ultrastar HUH721010AL5200
The WD Ultrastar HUH721010AL5200 is a 10TB 7200 RPM enterprise 3.5" HDD with SAS 12Gb/s interface, 256MB cache, and 2.5M hours MTBF rating. With a 550TB/year (enterprise) annual workload rating, it's designed for 24/7 NAS, server, and datacenter storage environments.
Condition: Refurbished / Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.
| Specification | Details |
|---|---|
| Capacity | 10TB |
| Interface | SAS 12Gb/s |
| Form Factor | 3.5" HDD |
| Rpm | 7200 RPM |
| Cache | 256MB |
| Sector | 512e (4Kn available) |
| Mtbf | 2.5M hours |
| Workload | 550TB/year (enterprise) |
| Power | ≤ 9.5W idle, ≤ 11.5W active |
Frequently Asked Questions
\What is the WD Ultrastar 10TB SAS drive?
The WD HUH721010AL5200 is a 10TB 7200RPM SAS 12Gb/s enterprise HDD with 2.5M hour MTBF and 550TB/year workload rating—ideal for server NAS, bulk storage, and archival.
Is this drive suitable for RAID arrays?
Yes. 512e sector format and SAS dual-port make it fully RAID-compatible for enterprise arrays.
What is the workload rating?
550TB/year—enterprise class, significantly higher than consumer/desktop drives (180TB/year).
Does it support 4K native sectors?
A 4Kn variant (HUH721010AL4200) is available. This model uses 512e emulation.
Available at Zhongxin Data — enterprise network hardware specialists. Worldwide shipping from Hong Kong.