Ultra fast - Designed around a 10000 RPM spin speed these SATA 6 Gb/s drives include a 64 MB cache and deliver the ultimate performance for photo and video editing</br>Rock-solid reliability - With 1.4 million hours MTBF (Mean Time Between Failure) these drives have the highest available reliability rating on a high capacity SATA drive</br>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</br>500 GB capacity holds up to 100000 digital photos 125000 MP3 files and 60 hours of HD video</br>5 year limited warranty</br></br>Product Description</br></br>WD VelociRaptor drives offer an unmatched combination of high performance and high reliability perfect for workstations high-end video and photo editing low-end servers and performance enthusiast's systems. Comes with a 3.5-inch mounting frame for easy installation into today's high-performance systems and chassis.  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.  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.   Ultra-cool operation ? Consumes less idle power and uses similar active power as the previous generation WD VelociRaptor?? while offering higher capacity and performance.  Advanced Format (AF) ? Technology adopted by WD and other drive manufacturers as one of multiple ways to continue growing hard drive capacities. AF is a more effi