Device Type: KVM-/Audio-/USB-Switch - 4 ports, Type: Desktop Ports: 4 x KVM / audio, no KVM Local Users Qty: 1 local user, keyboard-/mouse: USB Max Resolution: 2560 x 1600 Features: upgradable firmware, built-in Hi-Speed ​​USB Hub with 2 ports, Built-in Devices: USB Hub, Interfaces: Keyboard: 1 x 4 pin USB Type A | Mouse: 1 x 4 pin USB Type A | Display / video: 1 x DVI-Analog/Digital (dual link) - 29 pin combined DVI | Audio: 2 x line-out - mini-phone stereo 3.5 mm | Microphone: 2 x input - mini-phone stereo 3.5 mm | Hi-Speed ​​USB: 2 x USB Type B, 4 pin | Display / video: 4 x DVI-Analog/Digital (dual link) - 29 pin combined DVI | Audio: 4 x line-out - mini-phone stereo 3.5 mm | Microphone: 4 x input - mini-phone stereo 3.5 mm | Hi-Speed ​​USB: 2 x USB Type A 4-pin power supply: Power adapter - external, Power Consumption Operational: 10 Watt, Width: 27 cm Depth : 8.7 cm, height: 5.5 cm, weight: 0.93 kg, Cables Included: 4 x keyboard / mouse / video cable - 1.8 m Compliant Standards: RoHS, Min Operating Temperature: 0 ° C Max Operating temperature: 50 ° C Humidity Range Operating: 0 - 80% (non-condensing), Min Storage temperature: -20 ° C Max Storage temperature: 60 ° C