AMD's legacy Ryzen 7 5800X3D chips now sell for up to $800, more than a new 9800X3D — AM4 chip costs twice as much as MSRP, as enthusiasts flock to old DDR4 memory

https://www.tomshardware.com/pc-components/cpus/amds-legacy-ryzen-7-5800x3d-chips-now-sell-for-up-to-usd800-more-than-a-new-9800x3d-am4-chip-costs-twice-as-much-as-msrp-as-enthusiasts-flock-to-old-ddr4-memory