# Western Digital 12TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 256 MB Cache, 3.5"

- Category: Storage
- Brand: Western Digital
- Model: WD121KRYZ
- Part number: WD121KRYZ
- Price (US): $499.00
- Price last checked: 2026-08-05
- Rating: 4.6/5 from 1490 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/storage/western-digital-wd121kryz/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Western Digital |
| Model | WD121KRYZ |
| Maximum Capacity | 12 TB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 256 MB |
| Interface | SATA 6 Gb/s |

## Key Features

- Conquer tough workloads with enterprise-grade WD Gold HDDs. Available in 1TB to 14TB* capacities | *As used for storage capacity, one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment
- Enhanced reliability with up to 2.5M hours MTBF
- Specifically designed for use in enterprise-grade data centers and storage systems
- Improve performance with our vibration protection technology
- Get peace of mind with a 5-year limited warranty

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