Nvidia really buried the fine print on this one: Displayport 1.4 : r/pcmasterrace
VESA Certified] Cable Matters 1.8 m DisplayPort Cable 1.4, Support 8K 60Hz, 4K 144Hz (DisplayPort 1.4 Cable) with FreeSync, G-SYNC and HDR for Gaming Monitor, PC, RTX 3080/3090, RX 6800/6900 and More:
DisplayPort 1.4 vs. HDMI 2.1: Which is Better for Gaming?
DisplayPort - Wikipedia
Cable Matters [VESA Certified 0.9 m DisplayPort Cable 1.4, Support 8K 60Hz, 4K 144Hz (DisplayPort 1.4 Cable) with FreeSync, G-SYNC and HDR for Gaming Monitor, PC, RTX 3080/3090, RX 6800/6900 and More: Amazon.co.uk: Computers & Accessories