Acer AOD257 Aspire One AOD257 and Happy 2 Netbook Service Guide - Page 42

Hard Disk Drive (AVL components) Item Specification Vendor & Model Name Hitachi HTS545025B9A300, HTS543225A7A384, Seagate ST9250315AS ST250LT003 Toshiba MK2559GSXP WD WD2500BPVT Hitachi HTS545032B9A300, HTS543232A7A384 WD WD3200BPVT Capacity (GB) 250 320 Bytes per sector 512 Data heads 2 2 Drive Format Disks 1 1 Spindle speed (RPM) 5400 Performance Specifications Buffer size 8MB Interface SATA Fast data transfer rate (Gbits / sec, max) 3.0, 3.0, 1.175, 1.175, 3.0, 3.0 3.0, 3.0, 3.0 Media data transfer rate (Mbytes/sec max) 875, 875, 300, 300, 584, 108 994, 994, 108 DC Power Requirements Voltage tolerance 5V ±5% Hitachi HTS545050B9A300 WD WD5000BPVT 500 3 2 3.0, 3.0 875, 108 1-32 Hardware Specifications and Configurations