WUH721816ALE6L4 – 16TB 7200 RPM SATA 6Gb/s 3.5-Inch Ultrastar He16 Enterprise Hard Drive
The WUH721816ALE6L4 is a 16TB enterprise-class hard drive from Western Digital’s Ultrastar He16 series, built around helium-sealed construction for high density and stable thermals. It suits system integrators and data center buyers configuring capacity-tier storage, bulk archival pools, or scale-out NAS backends where high per-drive capacity matters more than low latency. Note that as a 7200 RPM spindle drive it sits below SSDs in IOPS-heavy workloads, so plan tiering accordingly.
Key specifications (table)
| Parameter | Specification |
|---|---|
| Model | WUH721816ALE6L4 |
| Series | Ultrastar He16 (enterprise-class line) |
| Capacity | 16 TB |
| Interface | SATA 6 Gb/s |
| Form Factor | 3.5-inch |
| Spindle Speed | 7200 RPM |
| Cache | 256 MB |
| MTBF | 2.5 million hours |
| Workload Rating | Up to 550 TB/year |
| Helium-Sealed Technology | Reduced friction and heat for improved efficiency |
| Power Consumption | Approximately 7.5W idle, 9.1W active |
Good to know
- Check your controller/chassis compatibility before ordering: high-capacity 3.5-inch SATA drives are broadly supported, but confirm backplane and firmware support for 16TB capacities in older platforms.
- Within the Ultrastar family, the He16 targets dense enterprise capacity tiers with helium sealing and a 550 TB/year workload rating — a step above NAS-oriented lines such as IronWolf or surveillance lines such as SkyHawk in intended duty cycle.
- For large pool builds, request matching firmware and quantity pricing; mixing drive revisions within a single RAID group can complicate support and rebuild behavior.
For tray and reel pricing, current stock by part number and date code, and volume discounts on bulk orders, request a bulk quotation.
The WUH721816ALE6L4 is a 16TB enterprise-class hard drive from Western Digital’s Ultrastar He16 series, built around helium-sealed construction for high density and stable thermals. It suits system integrators and data center buyers configuring capacity-tier storage, bulk archival pools, or scale-out NAS backends where high per-drive capacity matters more than low latency. Note that as a 7200 RPM spindle drive it sits below SSDs in IOPS-heavy workloads, so plan tiering accordingly.
Key specifications (table)
| Parameter | Specification |
|---|---|
| Model | WUH721816ALE6L4 |
| Series | Ultrastar He16 (enterprise-class line) |
| Capacity | 16 TB |
| Interface | SATA 6 Gb/s |
| Form Factor | 3.5-inch |
| Spindle Speed | 7200 RPM |
| Cache | 256 MB |
| MTBF | 2.5 million hours |
| Workload Rating | Up to 550 TB/year |
| Helium-Sealed Technology | Reduced friction and heat for improved efficiency |
| Power Consumption | Approximately 7.5W idle, 9.1W active |
Good to know
- Check your controller/chassis compatibility before ordering: high-capacity 3.5-inch SATA drives are broadly supported, but confirm backplane and firmware support for 16TB capacities in older platforms.
- Within the Ultrastar family, the He16 targets dense enterprise capacity tiers with helium sealing and a 550 TB/year workload rating — a step above NAS-oriented lines such as IronWolf or surveillance lines such as SkyHawk in intended duty cycle.
- For large pool builds, request matching firmware and quantity pricing; mixing drive revisions within a single RAID group can complicate support and rebuild behavior.
For tray and reel pricing, current stock by part number and date code, and volume discounts on bulk orders, request a bulk quotation.
