Top features: - Massive memory for all your backup needs- No Touch Ramp Load technology for long-term reliability- Lower power consumption for continuous useMassive memoryThe WD Mainstream 3.5” Internal Hard Drive brings 2 TB of storage to your desktop computer and is perfect for use a secondary media or backup drive.Capable of storing entire film collections and wealth of music and documents, the Mainstream offers incredible storage capabilities for all your precious files.It's also an ideal replacement or upgrade thanks to the Acronis True Image cloning software. Available for free from the WD Support Site, it makes light work of migrating your old hard drive's content, including the OS.No Touch Ramp Load technologyMainstream 3.5” Internal Hard Drive gives you long-term reliability thanks to No Touch Ramp Load technology. This ensures the recording head never actually touches the disk media, significantly reducing wear and providing better protection when mobile.Low power consumptionAdvanced power management provides low power consumption figures during everyday use, making the WD Mainstream perfect for regularly used computers such as gaming rigs or dedicated media PCs.