Product Information:

Fast, cool and quiet; ideal for high-performance family and business computing. Significant design advances in WD's hard drive technology, combine optimized performance with best-in-class power consumption and thermally optimized operation enabling unparalleled cost of ownership for manufacturers of digital video recording devices. Model WD3200AAJS.

Performance Specifications Rotational Speed 7,200 RPM (nominal) Buffer Size 8 MB Average Latency 4.20 ms (nominal) Start/Stop Cycles 50,000 minimum Seek Times Read Seek Time 8.9 ms Write Seek Time 10.9 ms (average) Track-To-Track Seek Time 2.0 ms (average) Full Stroke Seek 21.0 ms (average) Transfer Rates Buffer To Host (Serial ATA) 3 Gb/s (Max) Transfer Rate (Buffer To Disk) 972 Mbits/s (Max)   Physical Specifications Formatted Capacity 320,072 MB Capacity 320 GB Interface SATA 3 Gb/s User Sectors Per Drive 625,142,448