Avocent CBL0025 USB Keyboard and Mouse Cable Set for SwitchView SC4UAD / SC420 / SC440 KVM Switches (Black, 6 ft.) Connects devices: Computer to audio / video / USB keyboard and mouse Connector A: 29-pin combined DVI, 4-pin USB Type B, mini-phone 3.5 mm male, Connector B: 29-pin combined DVI, 4-pin USB type A, mini-phone 3.5 mm male Cable length: 6 Feet Conductor: Copper