Specifications - Capacity 2TB, Form Factor 3.5-Inch, Connector SATA, Interface SATA, Transfer Rate up to 175MB/s, Recording Technology CMR, Cache Size 256MB, Dimensions (L x W x H) 5.79 x 4 x 1.03, Weight 450gms, Model Number WD23PURZ, Operating Temperature 0°C to 65°C, Non-Operating Temperature -40°C to 70°C.