The StarTech 4-port USB dual link DVI KVM switch allows you to share two additional peripherals among attached computers as if they were directly connected. It is suitable for high- quality static imaging applications involving healthcare with a maximum resolution of 3840 x 2400. It features both front-panel push-button and hot-key switching that offers a small form factor with rear connection ports minimizing workspace disruptions. Dual-link DVI KVM switch with audio is perfect for graphical applications. Dimensions: 1. 7"H x 5. 1"W x 8. 7"L. Comes in black and has steel enclosure for added safety. Audio specifications: 7. 1-channel high definition audio support plus dual channel analog stereo and microphone, WQXGA 2560 x 1600 video resolution. Features one 20-pin DisplayPort female, two 3. 5mm mini-jack female and four 4-pin USB A female connectors. Features four DisplayPort female, four USB B female and eight 3. 5mm mini-jack female host connectors. Power: 0. 8 A input current, 110 - 240 VAC input, 1. 5 A output current, 12 VDC output, Plug type: M, Center tip polarity: Positive. LED indicators: 1 x power, 4 x green - online indicator (one LED per port), 4 x red - select indicator (one LED per port). OS independent for convenience. Temperature: 32 to 104 deg F operating, -4 to 140 deg F storage, Humidity: 0 - 80% RH. Rack mounted for better usage. USB keyboards, mice and connected peripherals, hotkey and push button switching are perfect for full plug-and-play support. Includes a 4 port DisplayPort KVM with audio, rubber feet, universal power adapter (NA/UK/EU) and manual. Weight: 38. 8 oz. 3 year warranty. The StarTech 4-port USB dual link DVI KVM switch with audio controls up to four connected PC or Mac computers.