1TB SATA-II Hitachi Deskstar 7K1000 7200RPM 32MB HDS721010KLA330 0A35155 Hitachi Deskstar 7K1000 HDS721010KLA330 Hard Drive General Features: 1 TB storage capacity Serial ATA interface 300 MB/s max interface transfer rate 32 MB data buffer 7200 RPM rotational speed 1070 Mb/s media transfer rate 4.17 ms average latency 8.2 ms average read seek time 9.2 ms average write seek time 14 ms average read silent-seek time 15 ms average write silent-seek time