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Standard 3.5 inch SAS hard drive with silver aluminium casing

Western Digital

Western Digital Ultrastar DC HC550 16TB 7200RPM SAS 12Gb/s 3.5" internal hard drive (WUH721816AL5204)

SKU CH-B88F-Y5V3P

16 TB enterprise SAS hard drive with 7200 RPM speed and a 2.5 M hour MTBF rating for data-centre storage

Options 16TB

  • 18TB
  • 16TB

Struck-through versions exist but are not stocked here.

  • 16TB capacity fits massive datasets in a standard 3.5" bay
  • 7200RPM spindle speed delivers sustained throughput for heavy workloads
  • SAS 12Gb/s interface integrates with capable server controllers
  • 5M hours projected MTBF supports long-term reliability in arrays
  • Ultrastar DC HC550 design targets lower total cost of ownership

Enterprise capacity drive

The Western Digital Ultrastar DC HC550 provides 16TB of storage in a 3.5" form factor. It operates at 7200RPM and connects through a SAS 12Gb/s interface. The drive carries a projected 2.5M hour MTBF rating for continuous operation.

Controller dependent integration

The SAS interface requires a compatible disk controller or host bus adapter in the server or storage array. Standard desktop motherboards lack the necessary SAS connectors and protocol support. Installation consumes a single 3.5" drive bay and a SAS data cable plus power.

Suited for bulk storage tiers

This drive suits administrators expanding capacity in RAID arrays, backup appliances or near-line archives where sequential throughput matters. Buyers needing boot drives for workstations or low-latency transactional workloads should evaluate solid-state alternatives instead.

Highlights

  • 16TB capacity fits massive datasets in a standard 3.5" bay
  • 7200RPM spindle speed delivers sustained throughput for heavy workloads
  • SAS 12Gb/s interface integrates with capable server controllers
  • 5M hours projected MTBF supports long-term reliability in arrays
  • Ultrastar DC HC550 design targets lower total cost of ownership

Specifications

No published specifications for this item yet.

Questions about this item

What sustained workload limit appears first on the 16TB 7200RPM SAS drive?

The 2.5M hour projected MTBF rating indicates the reliability target that defines the drive's sustained workload limit.

How much heat and power does the 3.5" 16TB SAS drive produce when running continuously?

The SAS 12Gb/s interface and 7200RPM spindle determine the thermal and power profile during all-day operation.

Which disk controller must I already own for the WUH721816AL5204 to work?

A SAS 12Gb/s capable disk controller is required for the drive to function in a server or array.

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