LaCie Blue Ray + DVD+/- R/RW FireWire & USB 2.0 (301115U) FireWire-400 Cable, External Power Supply, LaCie Utilities DVD-ROM with User Manual and Quick Install Guide 2x BD-R, 2x BD-RE, 8x DVD-R, 8x DVD-RW, 8x DVD-R DL, 8x DVD+R, 8x DVD+RW, 8x DVD+R DL, 32x CD-R, and 24x CD-RW Write Speed 2x BD-ROM, 12x DVD-ROM, and 32x CD-ROM Read Speed System Requirements - Pentium 4 Dual Core 3.0 GHz, Power PC G4, Mac Intel Core Duo, Windows XP SP2, Mac OS X 10.3.9, 512MB RAM Dimensions - Weight 6.3 x Height 1.7 x Depth 10.6 (17.3x4.4x26.8cm)