# Western Digital Ultrastar DC HC550 18TB 7200RPM 3.5" SATA Hard Drive

- Category: Storage
- Brand: Western Digital
- Model: 0F38459
- Part number: 0F38459
- Price (US): $744.45
- Price last checked: 2026-08-05
- Rating: 4.2/5 from 53 Amazon reviews
- Product page: https://buildmypc.net/component-details/storage/western-digital-0f38459/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Western Digital |
| Model | 0F38459 |
| Maximum Capacity | 18 TB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 512 MB |
| Interface | SATA 6 Gb/s |

## Key Features

- 3.5
- 512MB cache
- 7200RPM
- Energy-Assisted Magnetic Recording (EAMR)

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