Seagate ST3750840AS 750GB SATA/300 7200RPM 8MB Hard Drive Seagate Barracuda 7200.10 750 GB SATA/300 7200 RPM 8 MB Hard Drive General Features: 750 GB formatted capacity 7200 RPM spindle speed 8 MB buffer SATA interface SATA/300 data transfer rate 8.5 ms random read seek time 10.0 ms random write seek time 4.16 ms average latency 3.5-inch form factor Superb reliability Whisper-quiet operation Enhanced G-Force Protection against handling damage