# Western Digital WD Blue 4TB SATA 6Gb/s, 3.5" Internal Hard Drive with 5400 RPM & 64 MB Cache

- Category: Storage
- Brand: Western Digital
- Model: Blue
- Part number: WD40EZRZ
- Price (US): $249.00
- Price last checked: 2026-08-06
- Rating: 4.7/5 from 5972 Amazon reviews
- Warranty: 2 years
- Product page: https://buildmypc.net/component-details/storage/western-digital-blue-wd40ezrz/

## Description

n/a

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Western Digital |
| Model | Blue |
| Maximum Capacity | 4 TB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 64 MB |
| Interface | SATA 6 Gb/s |

## Key Features

- Reliable everyday computing
- WD quality and reliability
- Free Acronis True Image WD Edition cloning Software
- Massive capacities up to 6 TB available
- 2 year manufacturer's limited warranty

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