WSH722626AL4204

The WSH722626AL4204 is a 3.5-inch data-center hard drive in Western Digital’s Ultrastar DC HC670 family of shingled-magnetic-recording (SMR) helium drives, listed on the manufacturer’s SAS 12Gb/s interface. The Ultrastar DC HC670 data sheet gives this model a formatted capacity of 26TB, 7200 RPM spindle speed, a 512 MB data buffer, workload handling of up to 550 TB/year, a projected MTBF of 2.5M hour, 5-year limited warranty, and an operating temperature of 5° to 60°C. Sector format is Advanced Format (4Kn: 4096, 512e: 512).

Key figures

• Formatted capacity: 26TB; data buffer: 512 MB.
• Interface: SAS 12Gb/s; form factor: 3.5-inch.
• Spindle speed: 7200 RPM; recording technology: SMR.
• Workload: up to 550 TB/year; projected MTBF 2.5M hour; operating temperature 5° to 60°C.
• Warranty: 5-year limited warranty. Order model WSH722626AL4204 (Base (SE), no encryption).

Model number

This page is the customer-orderable model number WSH722626AL4204, listed in the data sheet’s Model Numbers table for SAS 12Gb/s models. This data sheet does not publish a frank/part-number table, so no secondary part code is claimed here; the model number above is the manufacturer’s own order code.

What this page does and does not state

The five Ultrastar DC HC670 order codes printed in this data sheet share the capacity, spindle speed, buffer, recording technology, workload, reliability and warranty figures above — they are common columns of one specification table. What differs by code, and what is asserted only for this row, is the interface (SAS 12Gb/s) and the data-security option. Reliability figures are the manufacturer’s projected estimates, not measured values. The manufacturer publishes no temperature-grade/qualification standard or lifecycle statement for this family, so none is claimed here.

Data source

Figures are taken from the manufacturer data sheet Ultrastar DC HC670 Data Sheet (©2022 Western Digital Corporation), md5 3b8f51774b370975310797fdf39ec3d8. This is a manufacturer data-sheet copy, so no public datasheet link is claimed and the external reference points to the manufacturer product page.

Who makes it

The WSH722626AL4204 is made by Western Digital Corporation, a United States–headquartered data storage company based in San Jose, California. © 2025 Western Digital Corporation or its affiliates.