LG 24x GH24NSC0R Internal Super Multi DVD Burner (Supports M-DISC) Operating system requirements: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1 Pentium IV 2.4 GHz or higher, or compatible (Pentium IV 3.2 GHz or higher recommended). 256 MB or higher (512 MB recommended) Maximum burn speeds of 24x for DVD-R/+R and 48x for CD-R, maximum read speeds of 16x for DVD-R/+R and 48x for CD-R. Maximum burn spMaximum DVD Dual Layer (DL) burn speed at 8x and read speed at 12x Buffer size of 0.5MB with under-run prevention function embedded