Brand 320GB Hard Disk Drive/HDD for HP/Compaq Business 6710 6730b 6730s 6735 6735b 6735s 6910 8510 8710w nc 6400 nc6400 nx6310 nx6325 nx7300 nx7400 nx9420 NEW 320GB SATA 2.5" 5400PRM Package Include: 320GB 5400RPM Hard Disk Drive