This Western Digital 3TB Internal Desktop Drive is compatible with PCs and has a SAS interface. With a rotation speed of 7200 RPM and a cache of 32 MB, this hard drive is perfect for storing and accessing large amounts of data quickly. Its Form Factor is 3.5 inches. The model number is WD3001FYYG-01SL3W1 and it is an excellent choice for anyone in need of additional storage space.