The Hitachi CinemaStar 7K1000 is a 3.5 inch hard drive that delivers an excellent 1 TB of space in a single hard drive. The shape of the hard drive is designed specifically to be used in digital video recorders and set-top boxes. It runs at 7200 RPM and uses CoolSpin to make it one of the more energy-efficient hard drives, saving the owner money with its gentler use of electricity. The Hitachi CinemaStar 7K1000 has an access time of 14, a cache size of 32, and a SATA II 3.0 Gbps interface. It weighs 1.54 pounds and is 1.03 inches high.