# Western Digital 22TB WD Gold Enterprise Class SATA Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD221KRYZ

- Category: Storage
- Brand: Western Digital
- Model: WD221KRYZ
- Part number: WD221KRYZ
- Price (US): $1,131.92
- Price last checked: 2026-08-05
- Rating: 4.6/5 from 2389 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/storage/western-digital-wd221kryz/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Western Digital |
| Model | WD221KRYZ |
| Maximum Capacity | 22 TB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 512 MB |
| Interface | SATA 6.0 Gb/s |

## Key Features

- Optimize your storage for your business with a full portfolio of enterprise-class WD Gold HDDs in capacities up to 22TB(1). | (1) 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.
- Quality and reliability with up to 2.5M hours MTBF(3) to help you store your data with confidence. | (3) MTBF and AFR: Projected values for model number WD221KRYZ and WD202KRYZ. Final MTBF and AFR specifications will be based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions, workload 220TB/year and device temperature 40°C. Derating of MTBF and AFR will occur above these parameters, up to 550TB writes per year and 60°C device temp. MTBF and AFR ratings do not predict an individual drive’s reliability and do not constitute a warranty.
- Specifically designed for use in enterprise-class storage systems and data centers.
- Improve performance with our vibration protection technology.
- HelioSeal technology delivers high capacities with a low power draw (12TB & up).

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