IOGEAR AVIOR 4x4 HDMI Matrix Switch w/ RS-232, HD, 3D (GHMS8044) 3D Support: Yes Resolution Support: 480i/480p/720p/1080i/1080p; VGA/SVGA/XGA/SXGA/UXGA Serial Interface: 1 x DB-9 Female Other Connector: Video Input: 4 x HDMI Type A Female Video Output: 4 x HDMI Type A Female Power: 1 x DC Jack System Requirements: Display - 1 HDMI input Media Source - 1 HDMI output Power Consumption: 9W (Max) Power Supply: DC: 5.3V Amps: 2.4A Specification: Computer Connections Direct: 4 Daisy Chain or Cascading: 64 Cable Connections Input: HDMI Output: HDMI Switches Port Selection: 4 x Pushbutton or IR Remote Data Rate: Up to 2.25Gbps Environment Storage Temperature: -20 C~60 C Operation Temperature: 0 C~50 C Humidity: 0 - 80% RH (Non Condensing) Housing Case: Metal