Samsung SE-218GN/RSBD Ultra Slim M-Disc DVD CD External Burner Writer Drive + Installation Disc + USB Cable Samsung Ultra Thin external burner bundle M-DISC uses a non-volatile rock-like data layer, which is more durable than reflective organic dye-based layers found in conventional DVDs. Writing onto M-DISCs using an M-DISC supported drive allows permanent data storage lasting up to 1000 years. Operating requirements: Mac OS X (10.4.6 or higher), Microsoft XP (SP 1 or higher), Microsoft Vista, Microsoft 7, Microsoft 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 0.75MB with Buffer Under Run Free Technology