Aten VM7904-AT is a 4K DisplayPort Input Board that works with an ATEN Modular Matrix Switch to offer an easy way that routes 4 DisplayPort video and audio sources to up to 16 or 32 displays. In addition to the DisplayPort interface that carries digital A/V signal, the VM7904 also provides 4 stereo audio input ports that allow stereo audio to be routed independently or embedded for digital output. Ideal for high-resolution video wall applications, the VM7904 effectively routes DisplayPort sources with 4K resolution up to 4096x2160@30Hz (4:4:4) and EDID Expert technology for the optimum resolutions across different displays. All of ATEN’s VM series input/output boards support hot-swappable installation that gives system integrators great flexibility and efficiency for maintenance. The VM series input/output boards along with ATEN Modular Matrix Switch offer flexible solutions that perfectly meet your demands for video-critical applications. Specifications: Video Input Interfaces: 4 x DisplayPort Female (Black), Impedance: 100 O, Max. Distance: Up to 3m, Video Max. Data Rate: 10.8 Gbps (2.7 Gbps Per Lane), Max. Pixel Clock: 340 MHz, Compliance: HDCP Compatible, Max. Resolution: 4096x2160@30Hz(4:4:4), 3840x2160@30Hz(4:4:4), Audio Input: 4 x Captive Screw Connector, 5 Pole (Green), Audio signal type: stereo, balanced/unbalanced., Power Consumption: 7.18W:34BTU. Package Contents: 1 x VM7904 4-Port 4K DisplayPort Input Board, 4 x Terminal Blocks, 1 x User Instructions.