TDK External 4x Multiformat External DVD-Rewritable Drive External FireWire and USB 2.0 DVDRW drive Features 16x write, 10x rewrite, and 40x read speeds for CD;4x write, 2.4x rewrite, and 12x read speeds for DVD 2 MB buffer Includes Easy CD and DVD Creator 6 for PC, Toast Lite for Mac, and more Compatible with Microsoft Windows 98 SE, Me, 2000, or XP, and Mac OS 9.2 or later