HP Pavilion DV6T-2100 640GB SATA hard drive 631161-0015,400 RPM, 2.5-inch form factor, 9.5mm thickCompatible Models:HP Pavilion dv6z-2100 CTO Entertainment Notebook VP106AV, VP107AV, VP108AV, VR970AVHP Pavilion dv6-2154ca Entertainment Notebook PC WA789UA, WA789UARHP Pavilion dv6-2174c a Entertainment Notebook PC WA791UA, WA791UARHP Pavilion dv6-2140ca Entertainment Notebook PC WA870UA, WA870UARHP Pavilion dv6t-2100 CTO Entertainment Notebook WH770AV, WH772AV- This is not a new hard drive. It is a pulled item which might have different compatible part number or model. Please call us before purchasing if you need the exact part number or model