Seagate ST380815AS Barracuda 7200.10 SATA 3.0Gb/s 80-GB OEM Hard Drive Seagate Barracuda 7200.1080 GB SATA/300 7200 RPM 8 MB Hard Drive General Features: 80 GB capacity SATA/300 interface 7200 RPM spindle speed 8 MB buffer 11 ms average read seek time 4.16 ms average latency 3.5-inch form factor Whisper-quiet operation Enhanced G-Force Protection against handling damage 78 MB/s maximum sustained data transfer rate Clean Sweep calibration and Directed Offline scan diagnostics