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Silver 3.5-inch bare hard drive with label showing WD Gold 10TB

Western Digital

Western Digital WD101KRYZ 10TB 7200 RPM 256MB SATA 3.5" internal hard drive

SKU CH-KY81-3BR3P MPN WD101KRYZ

10 TB enterprise hard drive built for 24/7/365 operation at up to 550 TB per year with 2.5 million hours MTBF

  • Total capacity10 TB
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Cache memory256 MB
  • Mean latency6Gb/s
  • Max height26.1 mm
  • Enterprise-grade reliability with 2.5 million hours MTBF
  • 24/7/365 operation rated for 550TB annual workload
  • 10TB capacity for massive enterprise storage needs
  • 7200 RPM with 256MB cache for heavy application performance
  • 5-inch SATA form factor fits standard server bays

Enterprise storage drive

The Western Digital WD101KRYZ is a 10TB SATA hard drive built for enterprise servers, datacentre servers and storage systems. It operates at 7200 RPM with a 256MB cache and is tested for 24x7x365 reliability at workloads up to 550TB per year. The 3.5 inch form factor fits standard drive bays.

Suited for high-capacity arrays

This drive suits administrators who need large-capacity mechanical storage for continuous, heavy application workloads. It is not for buyers who want solid-state speed or a smaller 2.5 inch form factor. Builders needing a different capacity should look at other models in the series.

SATA 6Gb/s interface

The single specification that decides fit is the SATA 6Gb/s interface, which must match the host controller or backplane. The drive delivers an average latency rated at 6Gb/s and measures 147.00mm long, 101.60mm wide and 26.10mm high.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $276.99
Pricier than about 80% of the 4,938 comparable items (median $107.99).
Total capacity 10 TB
Higher than about 85% of the 2,372 comparable items (median 2 TB).
Price per TB $27.70 per TB
Cheaper than about 86% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineGold
Model nameWD101KRYZ
Total capacity10 TB
Recommended useFor Enterprise Storage
Performance
Mean latency6Gb/s
Storage
Cache memory256 MB
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.6 mm
Maximum length147 mm
Shipping weight0.82 kg
Package size208 × 165 × 109 mm

Questions about this item

Does my system need a SATA 6Gb/s port to use the WD101KRYZ?

The drive connects through a standard SATA interface; a 6Gb/s port will deliver full speed, but it also works on older 3Gb/s ports at reduced throughput.

Can I add this 10TB 3.5" drive to a chassis that already holds older 3.5" SATA drives?

Yes, it shares the same 3.5" form factor and SATA data and power connectors, so it fits alongside existing drives in the same bays.

How can I confirm the 256MB cache and 7200 RPM speed are active after installation?

Check the drive details in your OS disk utility or BIOS; both the cache size and rotational speed are reported there.

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