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Western Digital WD121KRYZ

12.0 TB 3.5" Enterprise HDD ยท certified on 410 NAS models

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A datacenter-class drive: higher workload rating and longer warranty than a consumer model, usually at a higher price per terabyte.

Capacity12.0 TB
Form factor3.5"
TypeHDD
InterfaceSATA
SeriesGold
ClassEnterprise
Spindle speed7200 RPM source
Cache256 MB source
Warranty5 years source

Recently observed offers

Excellent refurbished: $349.99 incl. listed shipping Checked 2026-10-07
Used: $325.00 + shipping Checked 2026-10-07

Cheapest exact-model fixed-price listing found per condition (New, Refurbished, Used) -- shown only for conditions with a real match, checked within three days of this page build. Availability and shipping may change; confirm at the seller.

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Certified on 139 Synology NAS models

Synology marks this drive recommended (not merely compatible) on 101 of them.

Show all 139 Synology models

★ marks the models where the manufacturer lists this drive as recommended.

Certified on 271 QNAP NAS models

Show all 271 QNAP models

The certified list above comes from Synology's and QNAP's published Hardware Compatibility List. Certification is the manufacturer's statement, not a test performed here.