Acer Aspire V3-551G Acer V3-551 and 551G Notebook Service Guide - Page 28

Hard Disk Drive (Listed items from AVL list) Item Specification Vendor & Model Name HTS545032B9A 300 MK3265GSX ST9320310AS HTS545050B9A 300 MK5065GSX ST9500325AS WD7500BPVT22HXZT1 MK7559GSXP HTS547575A9E 384 Capacity (GB) 320GB 500GB 750GB Bytes per sector 512 BYTE 512 BYTE 4096 BYTE 3 4 4 Data heads 2 4 4 2 4 4 Drive Format 2 2 2 Disks 1 2 2 1 2 2 Spindle speed (RPM) 5400RPM Performance Specifications Buffer size 8MB 8MB 8MB Interface SATA Fast data transfer rate (Mbits / sec, max) 3.0Gbits/s 3.0Gbits/s 3.0Gbits/s Media data transfer rate (Mbytes/sec max) 106Mbytes/s 845Mbits/s 1273.3Mbits/s 1175Mbits/s 106Mbytes/s 845Mbits/s 1031.7Mbit/s 1175Mbits/s 97Mbytes/s 1363.1Mbits/s 996Mbits/s DC Power Requirements Voltage tolerance 5V ST9750423AS 750GB 4096 BYTE 4 2 16MB 3.0Gbits/s 1130Mbytes/s 1-21 Hardware Specifications and Configurations