Gefen 4 x 1 Switcher for HDMI 4K x 2K GTB-HD4K2K-441-BLK 3D Support: Yes HDMI: HDMI Input Connectors: 4 x Type A 19-pin female, locking HDMI Output Connector: 1 x Type A 19-pin female, locking Serial Interface: 1 x DB-9, female Network Interface: 1 x RJ-45 USB Port: 1 x Mini-B LED Indicator: Switching Indicators: 4 x LED, green Power Indicator: 1 x LED, blue Power Consumption: 13 Watts (max.) Power Supply: 5V DC
