DB-15 KVM versions are available with 8 and 16 ports making it simple to control multiple systems from one LCD. The high strength slide-rails have lockable fixed positions to prevent movement when typing. Standard units ship with a built-in 110/220VAC power supply. Optional DC Power inputs of +12, +24 and -48VDC are also available. Other FlatRack models are available with a range of LCD sizes, Widescreen, KVM Ports, Touchscreen and various video inputs.