2 TB 3.5" 5400 RPM Serial ATA III PC HDD Storage drive buffer size: 64 MB 6 Gbit/s Uncorrectable Bit Error Rate (UBER): < 1 per 10^14 bits read 450 g WD Blueinternal hard drives deliver reliability for office and web applications. They are ideal for use as primary drives in desktop PCs and for office applications. With a range of capacities and cache sizes, theres a WD Blue internal hard drive thats just right for you.NoTouch Ramp Load technologyThe 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 consumptionState-of-the-art seeking algorithms and advanced power management features ensure low power consumptionTested for compatibilityWe perform tests on hundreds of systems and a multitude of platforms in our FIT Lab to give our customers confidence that our drives will work in their systems.Upgrading your drive is easySeamlessly migrate your current system to your new