StarTech USB 3.0 to HDMI and DVI Dual Monitor External Video Card Adapter: * SuperSpeed USB 3.0 interface * Backwards compatible with USB 2.0 * Supports resolutions up to 2048 x 1152 * Quick, easy installation * Supports both HDMI and DVI-I simultaneously * No external power adapter required * Mirrored, Extended or Primary display configurations * Driver software supports display rotation * Supports Windows Aero interface * Supports 5.1 channel surround sound audio (HDMI only) * Supports the use of up to 3 adapters on a single system * Includes DVI to VGA adapter, mini USB 3.0 cable, driver CD and installation guide