Western Digital (WD40EZRZ) 4TB 3.5" BLUE HDD

Western Digital 4TB 3.5" BLUE HDD

Trusted engineering

Built to WD's highest standards of quality and reliability, WD Blue offers the features and entry-level capacities that are ideal for your computing needs. WD Blue is designed by the brand that you trust with the quality you would expect for a tested, proven, everyday storage solution.

A modern classic

WD Blue storage is designed and manufactured with technology found in WD's original award-winning desktop and mobile hard drives. WD Blue sets the baseline for everyday storage by consistently delivering improved performance over previous generations while successfully maintaining WD's quality and reliability for over six generations. The difference is that our colors never fade, generation after generation.

Your power of choice

WD Blue is available in a broad range of entry-level capacities, cache sizes, form factors and interfaces so you can be sure there's a drive that's the perfect fit for your system. However, not all hard drives are created equally and for your applications that demand more, WD gives you the power of choice.

Drive with confidence

We perform tests on hundreds of systems, configurations, and a multitude of platforms in our FIT Lab to give our customers the confidence that our drives will work in their systems for the ultimate compatibility. WD Blue allows you to use our drive with confidence, knowing that our storage advancements such as NoTouch Ramp Load technology are proven and reliable everyday solutions.

Easy upgrade

Acronis True Image, available as a download on the WD Support website, enables you to copy all your data to a new drive so you don't have to reinstall your operating system to get all the benefits of a new

SATA or PATA, the choice is yours

While SATA has become the industry standard interface, WD continues to manufacture desktop drives with a PATA interface for unique or legacy systems.