TOSHIBA 1TB 7200 RPM 32MB Cache SATA 3.5" HDD: Engineered for high performance and low power for cooler operation, the DT01ACA series of 7200rpm 3.5" HDDs is Toshiba's first 3.5" hard drive for use in power-friendly consumer and commercial desktop computers. These desktop drives feature 1 terabyte-per-platter technology in capacities r