The Fujitsu 300 GB hard drive is an ultra-fast and innovative hard drive with a rotational speed of 10025 RPM. The Fujitsu MAT3300NC functions as an internal hard drive, working on four platters for higher data rates. The Fujitsu 300 GB hard drive features an external data transfer rate of 320 Mbps, and an internal data transfer rate of 132 Mbps. The internal transfer rate is the rate at which data can be read from the disk, while the external rate is the speed at which data is moved between the system memory and the internal buffer cache within the drive. The speed of these components on this internal hard drive is essential in the power and quality provided by the Fujitsu MAT3300NC, which works on the SCSI Ultra320 interface. The device is 1 inch in height, 4 inches in width, and 5.8 inches in depth, and it weighs about 1.7 lbs, making this Fujitsu 300 GB hard drive compact yet fast and powerful.