WD161KRYZ

The WD161KRYZ is a 3.5-inch SATA hard drive in Western Digital’s WD Gold enterprise-class line, with a formatted capacity of 16TB, a 7200 RPM spindle speed, 512MB of cache and Helium drive technology, recording with CMR over a SATA 6 Gb/s interface.

Key figures

• Formatted capacity: 16TB.
• Form factor: 3.5-inch; interface: SATA 6 Gb/s.
• Spindle speed: 7200 RPM; cache: 512MB; sector format: 512e advanced formatting.
• Drive technology: Helium.
• Recording technology: CMR — the manufacturer WD Gold product page states the line uses CMR.
• Workload rating up to 550TB per year; operating temperature 5°C to 60°C; 5 years limited warranty.

What this document does and does not state

WD161KRYZ is a single orderable part number within the WD Gold family. The data sheet lists several WD Gold capacities and model codes as separate orderable part numbers; figures shown here are for this one code only. The per-model table prints no Recording Technology row — the CMR statement is taken from the manufacturer product page, which states WD Gold drives use CMR. Sustained transfer rates are deliberately not asserted here: the data sheet and the manufacturer product page disagree for some models. The data sheet publishes no temperature-grade or qualification standard and no lifecycle status for this line, so those are intentionally not asserted.

Data source

Figures are taken from the manufacturer data sheet WD Gold Enterprise Class SATA HDD — Western Digital Data Sheet (©2026 Western Digital Corporation), md5 a7aca283ffdfed8069479196b05f212f. Product-level statements reference the manufacturer WD Gold product page at westerndigital.com, captured 2026-10-27. 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 WD161KRYZ is made by Western Digital Corporation, a United States–headquartered data storage company based in San Jose, California. © 2026 Western Digital Corporation or its affiliates.