Fit to: IBM Lenovo ThinkPad W500, T400, T500
Burner Tpe: BD / Blu-ray burner
Interface: Serial Ultray Slim
Height: 9.5mm
Load Type: Ejecy / Tray load
FRU PN：42T2559
ASM PN：42T2558

Write Speed:
BD-R: 4x
BD-RE : 2x
BD-R DL: 2x
BD-RE DL: 2x
DVD-RW: 6x
DVD+/-R: 8x
DVD+RW: 8x
DVD+/-R DL(D9): 4x
DVD-RAM: 5x
CD-R: 24x
CD-RW: 16x

Read peed:
CD-ROM: 24X
DVD-ROM: 8X
BD-R: 4X
Can read DVD-RAM