Western Digital VelociRaptor 500GB internal hard drive 10000 RPM 64 MB 2.5" Serial ATA

Ultra fast.
Designed around a 10,000 RPM spin speed, these SATA 6 Gb/s drives include a 64 MB cache and deliver the ultimate performance for photo and video editing.

Rock-solid reliability.
With 1.4 million hours MTBF, these drives have the highest available reliability rating on a high capacity SATA drive. In addition, these drives feature a 5-year limited warranty.

High capacity.
State-of-the-art technology delivers a balance of high performance and high capacity perfect for data-intensive workloads that require large amounts of storage such as video editing, 3D rendering and scientific modeling.