HP 615646-001 575781-501 TS-H653 DVD&plusmn;RW DL Writer lightscribe SATA Optical Drive Manufacturer: Samsung, Model: TS-H653 Brand: HP, Model: 575781-501, 615646-001 HP Part Number: 575781-501, 615646-001 Read speed: 16x (DVD), 48x (CD) Interface: SATA