Seagate ST3750840SCE Seagate DB35 750GB INT 3 5 IN SATA HDD 7200RPM 8MB 1 IN HEIGHT 5 750 GB capacity 7200rpm spindle speed - 8MB Cache 3.5-inch form factor Interface: SATA 3.0 Gb/s Average Latency: 4.16 ms - Maximum Interface Transfer Rate: 300 Mbytes/sec.