The LaCie D2 Quadra is an external hard drive that uses SATA, FireWire (800 and 400) and USB 2.0 interfaces to give you great performance and speed. You can store all your movies, videos, images and more in this LaCie 1TB HDD. The spindle speed of 7200 rpm in this LaCie hard drive provides you with a hi speed performance. The LaCie D2 Quadra has a buffer cache of 16MB that processes your data at a faster rate. The average latency of 4.17ms in this LaCie 1TB HDD helps in reading and writing your data rapidly. You can move your data rapidly with the data transfer rate of 300 MBps in this LaCie hard drive.