I made an ATX PSU breakout box to power my Raspberry Pis and Routers, and a HDMI video adapter. : r/raspberry_pi
HDMI Breakout Board
Kramer C-HM/HM-3-PK5-K 3' HDMI To HDMI CABLE, 5 PACK | Full Compass Systems
Metra Helios CS-HDMABO Audio breakout box for HDMI source components at Crutchfield
Amazon.com: 1080P HDMI Audio Extractor,AMANKA HDMI to HDMI Audio Optical and RCA(L/R) Stereo Analog Outputs Video Audio Splitter Converter for Ruku,Chromecast, Blu-ray Player, Cable Box, Fire TV, etc : Electronics
HD HDMI soldering male box module plug connector|connector plug|connector hdmiconnector box - AliExpress
Blackmagic Devices Intensity Extreme HDMI and Analog Capture & Playback Device with breakout cable · AV Gear
AV Toolbox AP-536 HDMI Audio Extractor AP-536 B&H Photo Video
HDMI Plug Breakout Board : Electronics
1x4 HDMI Splitter, 1 in 4 Out HDMI Splitter Audio Video Distributor Box Support 3D & 4K x 2K Compatible for HDTV, STB, DVD, PS3, Projector Etc : Electronics
Panel mount HDMI Cable - 40 cm : ID 978 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Commodore A500 RGB to HDMI break-out box - Amiga Spirit
4X1 HDMI over Cat6 Extender Switch, 4K/60, 230-ft | Tripp Lite
Panel Mount HDMI Socket Breakout ID: 3121 - : Adafruit Industries, Unique & fun DIY electronics and kits