WD Quality – Built to the high standards of quality and reliability of the WD brand, these drives offer the features and capacity ideal for everyday computing needs. The Original – WD Blue 3.5-inch PC Hard Drives are designed and manufactured with the proven technology found in WD’s original award-winning hard drives. Compatible – The latest generation of 7 mm 3.5-inch mobile drives is designed for thin and light mobile applications, and is also compatible with most standard 9.5 mm bays. SATA 6 Gb/s interface – The SATA 6 Gb/s interface provides greater flexibility for use with the latest chipsets as well as backwards compatibility to legacy systems with SATA 3 Gb/s requirements. Low Power Consumption – State-of-the-art seeking algorithms and advanced power management features help ensure low power consumption. Quiet – In a notebook, silence is golden. WD’s exclusive noise reducing technologies yield some of the quietest 3.5-inch hard drives on the market. Upgrading Your Drive is Easy – Acronis™ True Image™ WD Edition cloning software is available as a free download on the WD Support site enabling you to copy all your data to a new drive. You don’t have to reinstall your operating system to get all the benefits of a new drive. Enhanced Availability (EA)-for 24×7 Access to Data – Western Digital provides enhanced availability models of WD Blue 3.5-inch PC Hard Drives (WD5000LQVX) that deliver 24×7 access to information for data-intensive applications requiring round-the-clock operation. WD Blue EA models support the stringent demands of “always-on” applications in lower-transaction environments and come with a 3-year standard warranty.