Sapphire VID-2X DVI-To-Dual DVI Display Expander Graphics Cards 4L000-01-40G Double the amount of displays No software, just plug in and enjoy Work, or game, smarter and faster Input Format: VESA Dual-Link DVI with max 24bit Colour Depth Output Format: 2 x Single Link (max 1920 x 1200) DVI or 2 x HDMI also supported via adapters (not included) Weight: Net Weight: 210 g Power Requirements: Mini USB Power DC +5V