These are used and all worked at last point of use a couple of years ago. there are 15 in total so message if you want to buy several and we can sort postage costs etc.
eBay
4K HDMI extender over Cat6/7 cable up to 70M 230ft HDMI 4K extender with IR and HDMI Loop out for HDTV apple TV PS4 PC
Aliexpress UK
The HDMI to DVI Adapter allows you to connect your Mac with built-in HDMI to a DVI display or projector. You can use an external display as your primary display, extend your desktop to a second display, or work in mirroring mode with a projector so you can view what your audience sees.
eBay
NEW Vention DVI To HDMI Adapter Bi-directional DVI D 24+1 Male To HDMI Female Cable Connector Converter For Projector HDMI To DV
Aliexpress UK
The Apple Mac VG1 Mini Display Port to HDMI DVI/VGA Adapter is a versatile converter that allows you to easily connect your Mac to various display devices such as HDMI, DVI, or VGA equipped monitors or projectors.
eBay
1080p HDMI to DVI Converter HDMI to DVI + Optical Toslink SPDIF + 3.5mm Stereo Audio Metal Housing HDMI Audio Extractor with Pow
Aliexpress UK
The Apple HDMI to DVI Adapter allows you to connect your Mac with built-in HDMI to a DVI display or projector. You can use an external display as your primary display, extend your desktop to a second display, or work in mirroring mode with a projector so you can view what your audience sees.
eBay
NEW Vention DVI To HDMI Adapter Bi-directional DVI D 24+1 Male To HDMI Female Cable Connector Converter For Projector HDMI To DV
Aliexpress UK
DVI output, connect the DVI devices using a DVI cable. And when you want to use the HDMI output, you just need to connect the HDMI devices using a HDMI cable. VGA output, connect the VGA devices using a VGA cable.
eBay
Gold Plated DVI 24+1 Male to 2 * HDMI-compatible 19-Pin Female Splitter Adapter HDMI cable for DVI-D HDMI conversion 1080P 23cm
Aliexpress UK
eBay
Mini DP to HDMI DVI VGA Cable mini displayport VGA HDMI for MacBook Pro Air Apple iMac Mini Display Port Thunderbolt Converter
Aliexpress UK
Experience seamless connectivity with the Apple Mini DisplayPort to DVI adapter, a must-have accessory for your MacBook Pro. With model number A1305, this adapter facilitates the connexion of your MacBook Pro to DVI-compatible devices, making it an essential tool for presentations, graphic design, or simply expanding your workspace.
eBay
1pcs DVI 24+1 Male to HDMI Female Adapter Converter Gold Plated DVI 24+1 to HDMI Converter 1080P for PC PS3 Projector HDTV
Aliexpress UK
eBay
HDMI To DVI Cable M/F Male- Female Video Adapter Cord HDMI-compatible To DVI-I 24+5 Cable Video Adapter Cord For HDTV LCD DVD PC
Aliexpress UK