Mad Dog Multimedia MD-18XTFAE MegaStor Triple Format Double Layer DVD Drive Performs Like a Virtual Hard Drive - rewrite to the same piece of DVD-RAM media up to 100,000 times Stores up to 9.4GB of data - store up to 9.4 GB of data on a single piece of double sided DVD-RAM media Stores up to 8.5GB of data - store up to 8.5 GB of data on a single piece of double- layer DVD+-R media Anodized Aluminum Enclosure Dissipates Heat and looks great next to a PC Unit Dimensions - 7 W x 2 H x 9.75 L (175mm x 50mm x 245mm) / Weighs 3.2 lbs. (1.4 kg)