Seagate ST380013ARK Internal Barracuda 7200 RPM 80 GB Ultra ATA/100 Hard Drive 80GB capacity - just the thing for greedy applications like multimedia, high definition video and serious gaming I/O data transfer rate - up to 100 Mbps Sustained data transfer rate - Up to 58 Mbps Average seek time - 8.5ms Average latency - 4.16ms