IOGEAR 4-Port Dual-Link DVI Secure KVM Switch， GCS1214TAA<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 4-port USB DVI secure KVM switch one USB console controls 4 secure computers </span></li><li><span class="a-list-item"> Port selection via pushbutton only to enhance security (OSD， hotkey methods are not allowed) </span></li><li><span class="a-list-item"> NIAP-Certified Validated to EAL2+ security requirements，. TAA Compliant </span></li><li><span class="a-list-item"> Isolated channel per port Makes it impossible for data to be transferred between computers </span></li><li><span class="a-list-item"> Tamper-evident tape Provides a visual indication of any attempt to gain access to the switch's internal components </span></li><li><span class="a-list-item"> Chassis intrusion detection If the cover is removed from the switch， the unit becomes inoperable and the LEDs flash </span></li><li><span class="a-list-item"> Tamper-proof hardware All integrated circuits are soldered directly to the circuit board to prevent tampering with the components </span></li><li><span class="a-list-item"> Non-reprogrammable ROM Prevents tampering and attempts to reprogram the switch's firmware </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31JuEMl6orL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311WFlOUOeL.jpg" noproxy>