Capacity: 40GB Spindle Speed: 7200RPM Interface Type: IDE / ATA (3.5") Disk Size: 3.5"x1.0" (Low Profile Hard Drive) Sustained Throughput (MBps): 58 Average Seek Time (read/write ms): 8.5 / 9.5 Electrical Interface Speed: EIDE / Ultra ATA/100 - 100MBps On-Board Cache: 2MB