7200RPM, 32MB Cache, single 1TB platter, 3 year warranty. Toshiba's one-disk, 1TB, 7200 RPM 3.5-inch (8.9cm) HDD is optimised for use in power-friendly consumer and commercial desktop computers. The DT01ACA100 series uses Advanced Format and leverages a best-in-class power management technology. In addition, this desktop drive provides up to 16% idle power savings over the previous model. The 6Gb/s SATA interface drives deliver 7200 RPM performance. These HDDs are designed to allow manufacturers to leverage the benefits of the latest components and operating systems to deliver high-performance, high-capacity, power-efficient systems.