SAMSUNG TSST Ultra-Slim Optical Drives SE-208GB/RSLD Blue, M-Disc Support, MAC OS X compatible Operating requirements: Mac OS X (10.4.6 or higher). Windows XP (SP1 or higher), Windows Vista, Windows 7, Windows 8 CPU and RAM requirements: Pentium 4 (2.0 Ghz or higher), Pentium Atom (1.6 GHz or higher), 2.0GB RAM (or higher) Maximum burn speeds of 8x for DVD-R/+R and 24x for CD-R, maximum read speeds of 8x for DVD-R/+R and 24x for CD-R Maximum DVD Dual Layer (DL) burn speed at 6x and read speed at 8x Buffer size of 704 KB with Buffer Under Run Free Technology