320GB 2.5" Sata Hard Drive Disk Hdd for HP G42-243CL G42-475DX G50-112NR G60-442OM G60-507DX G60-635DX G60-642NR G60T-200 G60T-600 G61-511WM G62-143CL G62-222US G62-225DX G62-234DX G62T-250 G71-333NR G72-257CL G72-259WM G72-B53NR G72-B57CL