Avocent Cybex 4Port 1Head Secure Kvm Dpinput Out Taa CompManufacturer: Vertiv. Manufacturer Part Number: Sc840DP-001. Brand Name: AVOcENT. Product Line: cybex. Product Model: Sc840DP. Product Name: cybex Sc840DP KVM Switchbox. Product Type: KVM Switchbox. Technical Information] Number of computers Supported: 4. Video] Maximum Video Resolution: 3840..