Full Product Info on Amazon.com : https://www.amazon.com/gp/product/9800362924?tag=unlearnreth-20 2TB 5400RPM 64MB CACHE SATA 6GBS WD CAVIAR GREENProduct Description : Wd Caviar Green Wd20earx 2 Tb 35 Internal Hard Drive - Sata - 64 Mb Buffer