Pioneer 6x BDR-XD05S Portable USB 3.0 Blu-ray Burner Bundle with 1 Pack M-DISC BD - Supports BDXL, BD, DVD, and CD Media (Silver, Retail Box) Pioneer external burner bundle includes a 1 pack M-DISC BD 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 (10.6 or higher), Windows XP (SP3), Windows Vista, 7, Windows 8. CPU and RAM requirements: Core 2 Duo E6750 (2.66MHz), AMD Phenom 9450 (2.1GHz) or faster, 2.0GB RAM (for Blu-ray playback) Maximum write and read speeds of 6x for BD-R. Maximum write and read speeds of 8x for DVD-R. Maximum write and read speeds of 24x for CD-R. Maximum BD Dual Layer (DL) burn speed at 6x and read speed at 6x. Maximum DVD Dual Layer (DL) burn speed at 6x and read speed at 8x Buffer size of 4MB and USB 3.0/2.0 Interface