M640H - Dell M640H 320 GB 2.5 Internal Hard Drive - SATA/300 - 5400 rpm - 8 MB Buffer

The 320 GB Serial ATA Hard Drive from Dell increases areal density and dependability for workstations and performance PCs. It incorporates Serial ATA interface to delivers data transfer rates of up to 3 Gbps. Also, it supports spindle speeds of up to 5400 RPM and includes 8 MB buffer ? ensuring fast access to data. Its Perpendicular recording technology increases data density while decreasing moving parts for a more dependable drive. Moreover, it utilizes ramp load features that remove the head from the disk during idle periods, improving idle power consumption adding to its durability. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.