This Drive Replaces WD Green Drive Part Number WD10EZRX. Get Storage Capacity Up to 6 TB with WD Blue Drives Boost your PC storage with WD Blue drives, the brand designed just for desktop and all-in-one PCs. The WD Blue family now delivers data storage capacities up to 6TB. Which capacity is right for you? Entry Level: Up to 1 TB Mainstream: 2 TB to 4 TB Best Upgrade: 5 TB+ Improve your PC Performance Pair a larger capacity drive with an SSD to give your desktop a performance and storage boost. The SSD maximizes speed of data access, while the WD Blue drive stores up to 6 TB of movies, games, files, applications and more. Upgrade and Backup with Ease WD hard drives come with free access to WD Acronis True Image. Our downloadable software quickly copies all your existing data to your new drive without reinstalling your operating system. Backup and restore functions make it easy to save and retrieve your personal data.