HP QK554AA Description:
HP 500GB Hard Disk Drive HDD - 3.5 inch, SATA, 6.0 GBPS NCQ/SMARTIV 7200rpm
HP 500GB 7200rpm SATA 6Gb/s Hard Drive
Buffer: 8 MB
Drive Interface: SATA/600
Drive Width: 3.5
Form Factor: Internal
Product Type: Hard Drive
Rotational Speed: 7200 rpm
Storage Capacity: 500 GB