The 4TB Internal Desktop HDD Kit from Seagate includes an installation kit along with an internal SATA 6Gb/s desktop hard drive equipped with 1TB-per-disk hard drive technology providing a large storage capacity in a smaller package. Take advantage of an enhanced 64MB cache utilizing Seagate's OptiCache technology for a smooth flow of data to and from the drive. Once installed, this reliable drive supports 2,400 power-on hours allowing you to take advantage of an average read and write data rate up to 180MB/s for an extended period of time making it possible to transfer large amounts of data quickly and efficiently.
1TB-per-disk hard drive technology
OptiCache technology exploits big 64MB cache sizes and improves microprocessor capabilities
Seagate OptiCache technology improves performance by up to 45% over the previous generation