In the era of stratospheric RAM prices, putting a new GPU in an old PC might be your best upgrade bet, but be sure to grab the right monitor, too

https://www.tomshardware.com/pc-components/gpus/in-the-era-of-stratospheric-ram-prices-putting-a-new-gpu-in-an-old-pc-might-be-your-best-upgrade-bet-but-be-sure-to-grab-the-right-monitor-too