This item is for one Seagate ST9250410AS PN:9HV142-037 FW:D005SDM1 (5VG9) WU China 2.5" 250gb Sata 11/2010. This drive and all of our drives are professionally tested and wiped of all data on a DOD (Department of Defense) certified machine at OEM level. Once they pass our quality control they are in 100% perfect working condition!