StarTech.com 4 Port 1 Input 4 Output HDMI Splitter - up to 4K

The ST124HD4K 4-port 4K HDMI splitter lets you share four HDMI displays or projectors with an HDMI-enabled audio / video source devices, such as a computer, Blu-ray player or cable TV set-top box.

Buy StarTech HDMI Splitter 1:2 4K (ST122HD4KU)

4-Port HDMI Splitter 1 In 4 Out, 4K 60Hz - HDMI® Splitters, Audio-Video Products

StarTech.com HDMI Splitter - 4-Port - 4K 60Hz - HDMI Splitter 1 In 4 Out - 4 Way HDMI Splitter - HDMI Port Splitter (ST124HD202) , Black : Electronics

StarTech.com 4-Port 8K HDMI Switch, HDMI 2.1 Switcher 4K 120Hz HDR10+, – Network Hardwares

StarTech.com 4-Port HDMI Splitter - 60Hz, HDMI, 4x HDMI, 3840 x 2160 pixels, Black, 4K Ultra HD, 60 Hz - Hunt Office Ireland

StarTech.com HDMI Splitter - 4-Port - 4K 60Hz - HDMI Splitter 1 In 4 Out - 4 Way HDMI Splitter - HDMI Port Splitter (ST124HD202) , Black : Electronics

StarTech.com 2 Port 1 Input 4 Output HDMI Splitter 4096 x 2160

StarTech.com 2-Port HDMI Switch 4K HDMI Switch

StarTech.com ST122HD202 HDMI Splitter - 2-Port - 4K 60Hz - HDMI Splitter 1 In 2 Out - 2 Way HDMI Splitter - HDMI Port Splitter

StarTech.com VS421HD4KA 4-Port HDMI Automatic Video Switch - 4K, Fast – Network Hardwares