HLDS BU20N (S05NT) 9.5mm SATA Blu-ray/DVD BDRE DVDRW Rewriter Optical Disk Drive 762435-800 810345-001.HP Part Number: 762435-800HP Spare Part Number: 810345-001HLDS Model Number: BU20N (S05NT)Specifications:Height 9.5mmFW BU24