Western Digital Blue WD40EZAX 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method

WD Blue™ internal hard drives deliver solid reliability for office and web applications, and they are perfect for extra storage for desktop PCs and in office applications.

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.

Low power consumption - State-of-the-art seeking algorithms and advanced power management features ensure low power consumption

Upgrading your drive is easy - Seamlessly migrate your current system to your new Western Digital drive using Acronis® True Image™ WD Edition software, available as a free download on the Western Digital Support site. This software 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 drive.

The Western Digital® advantage - Western Digital puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. On average, each new product goes through 600,000 hours of testing. Western Digital also has a detailed Knowledge Base with more than 1,000 helpful articles. You can also call toll-free support 7 days per week in the U.S. and Canada. See the Western Digital Support site for full details. Recommended use - WD Desktop hard drives are tested and recommended for use in PCs, industrial applications and external enclosures.