Just in case this helps someone, I've been trying to use the Cable Matters adapter with a Dell Precision T1500 graphics card and an Nvidia Quadro NVS 295 (with two DP connections). I made sure that this adapter does not display video until the operating system boots up (in this case Windows 8.1). the main display, which allows you to view the splash screen/POST results/initial prompts, and retained Cable Matters adapters for machines that will have a secondary display. They appear to be well built and well packaged with protection for the DP end.
Cable Matters USB C to HDMI Adapter - 4K 60Hz, 60W Charging, Thunderbolt 4 Compatible for MacBook Pro, iPad Pro
12 Review
Tobenone USB C to USB Adapter with 💻 2 Ports for MacBook, Dell XPS & More Type-C Devices
13 Review
USB to USB Type-C adapter
18 Review
Portable battery with wireless charging support COMMO Magnetic Power Bank, 4 600 mAh, graphite
23 Review
Renewed Logitech G PRO X Wireless Lightspeed Gaming Headset with Blue VO!CE Mic Filter for Immersive Gaming Experience
122 Review
Apple AirPods Pro MagSafe RU Wireless Headphones, White
159 Review
💻 Get Amazing Video Quality with Logitech HD Pro Webcam C920 (Discontinued Edition)
83 Review
Sennheiser PC 8 2 Cancelling Microphone
71 Review