Aten CS1142D 2-port USB DVI Dual Display Secure KVM switch is compliant with PSS PP v3.0 (Protection Profile for Peripheral Sharing Switch, Version 3.0) security requirement and always-on Chassis Intrusion Detection – renders the ATEN PSS PP v3.0 Secure KVM Switches inoperable when physical tampering is detected. It is configurable Device Filtering – USB CAC Port can be configured to allow/reject whitelisted / blacklisted devices via Admin logon function or Windows-based application and offers superior video quality – up to 4K (3840 x 2160 @ 30 Hz), 2560 x 1600 (DVI Dual Link), 1920 x 1200 (DVI Single Link), and 2048 x 1536 (DVI-A). For prices, please call us on 01372 450 794 or E-mail us   Data Sheet Manual