WD Blue - hard drive - 4 TB - SATA 6Gb/s WD40EZZX

The original

WD Blue drives are designed and manufactured with the proven technology found in WD's original award-winning desktop and mobile hard drives.

WD quality

Built to the highest standards of quality and reliability, these drives offer the features and capacity ideal for your everyday computing needs.

More options

These drives are available in a broad range of capacities, cache sizes, form factors and interfaces so you can be sure there's a drive that's the perfect fit for your system, in more ways than one.

NoTouch Ramp Load technology

The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit. SATA or PATA interface. While SATA has become the industry standard interface, WD continues to manufacture desktop drives with a PATA interface for unique or legacy systems.

Tested for compatibility

Upgrading your drive is easy.

The WD advantage

WD puts the products through extensive Functional Integrity Testing prior to any product launch. This testing ensures the products consistently meet the highest quality and reliability standards of the WD brand.