The Avocent 4SVDVI10 Switchview DVI 4-Port KVM Switch is a versatile unit that allows for easy switching between four different DVI-compatible devices. The black switch features powered operation and is designed for use with the Avocent 4SVDVI10 Switchview model. With universal compatibility, this KVM switch box is ideal for managing multiple computers or other devices with DVI connectivity in a sleek and efficient manner. Perfect for both home and professional settings, this Avocent product offers convenience and functionality in a compact design. Tested and working as it should