The Western Digital VelociRaptor internal hard drive features a SATA and SATA 2 interface, enabling operations and transfers at speeds of up to 3 GB per second. With a 16 MB cache memory, this 300 GB internal hard drive lets you load files swiftly. With a 10000 RPM spindle speed, the Western Digital VelociRaptor internal hard drive processes data faster, letting you finish your work, much sooner. The 300 GB storage space on this Western Digital internal hard drive provides you enough space to store your favorite media, and the important data files. With a seek time of 4.2 ms, this 300 GB internal hard drive provides speedy in-device searches. The 300 Mbps external data transfer rate, of this Western Digital internal hard drive ensures that you don’t have to wait for long, while exchanging data. The 3.5 inch form factor of the Western Digital VelociRaptor hard drive ensures easy installation within any cabinet.