Ultra high speed HDMI 2.1 spec released, with a new cable to boot
HDMI 2.0 vs 1.4: What's the difference? | Trusted Reviews
HDMI 2.1 vs. DisplayPort 2.0
NewBEP HDMI Splitter 1x2, HDMI Splitter 1x2 Ultra Thin 1 Input 2 Output HDMI Switcher Box Support 4K@30Hz, 1080p@60Hz, 3D, 2160p for PS4, Xbox, Apple Tv and More
HDMI 2.1 vs DisplayPort 1.4 Comparison - Tech Centurion
Multi-Inputs Audio Extractor HDMI Switch 8x1 1080P - J-Tech Digital
HDMI 2.0 vs 2.1: Which Cable Should You Buy? - The Plug - HelloTech
Amazon.com: ZI YOUREN HDMI Splitter with HD HDMI Cable, 1 in 2 Out 4K HDMI Splitter for Full HD 4K@30HZ 1080P 3D Splitter (1 HDMI Source to 2 HDMI Displays) : Electronics
HDMI - Wikipedia
Office Depot
Amazon.com: OREI HDMI Splitter 1 in 2 Out - 1x2 HDMI Display Duplicate/Mirror - Powered Splitter Full HD 1080P, 4K @ 30Hz (One Input To Two Outputs) - USB Cable Included -