WD VelociRaptor 1TB SATA 6G/bs 2.5-inch Hard Drive in a 3.5-inch Ice Pack mounting sled. VelociRaptor hard drives offer twice the capacity of the previous generation while delivering higher performance and cool quiet operation for gaming, workstations, and low-end servers. With a superbly engineered combination of 10,000 RPM spin speed, SATA 6 Gb/s interface and a 64 MB cache, these drives are truly an evolution in performance. 5-year limited warranty. SINGLE PACK ***BUILT TO ORDER***