The Western Digital Mainstream 2.5” Internal Hard Drive brings ample storage to your laptop. Safe and secureThe WD Mainstream provides 1 TB worth of storage to your portable computing, allowing you to store a library of photos, videos and music. It's 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. Reliable performance You can expect 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.Advanced power management provides low power consumption figures during everyday use, making the WD Mainstream a perfect match-up for your laptop.You can buy with confidence as WD exhaustively test their hard drives on a multitude of platforms to guarantee compatibility. Keep your media content secure on the Western Digital Mainstream 2.5” Internal Hard Drive, offered with a two-year guarantee.