H-L Hitachi-LG Ultra Slim 9.5mm Tray 4MB Cache Optical Drive UHD Blu-Ray DVD Burner Writer BU40N - OEM;

H L Hitachi-LG Ultra Slim 9.5mm Tray 4MB Cache Optical Drive UHD Blu-Ray DVD Burner Writer BU40N - OEM

Write Speed
BD-R: 6X
BD-RE: 2X
DVD+R: 8X
DVD+RW: 8X
DVD-R: 8X
DVD-RW: 6X
CD-R: 24X
CD-RW: 16X
BD-R DL: 6X
BD-RE DL: 2X
DVD+R DL: 6X
DVD-R DL: 6X
DVD-RAM: 5X

Read Speed
BD-ROM: 6X
DVD-ROM: 8X
CD-ROM: 24X