WD Blue 320 GB Desktop Hard Drive: 3.5 Inch, 7200 RPM, SATA III, 16 MB Cache (WD3200AAKX)

Product Specifications

            Interface           SATA 6 Gb/s

Performance Specifications    

            Rotational Speed          7,200 RPM (nominal)

            Buffer Size        16 MB

            Load/unload Cycles       300,000 minimum

Transfer Rates

            Transfer Rate (Buffer To Disk)    126 MB/s (Max)

Physical Specifications           

            Formatted Capacity       320,072 MB

            Capacity           320 GB

            User Sectors Per Drive  625,142,448