Toshiba MG08 Enterprise 7200 RPM 18TB Serial ATA 6.0Gbps Desktop Internal Hard Drive is a 18 terabyte internal hard drive that uses the Serial ATA interface and has a data transfer rate of 6 gigabits per second (Gbps). The higher the data transfer rate, the faster the drive can read and write data. It has a rotation speed of 7200 revolutions per minute, a high-performance speed for hard drives. Emulates the sector size of a 512 byte per sector drive. Write cache which protect the data integrity in case of power failure.