Here are the parts I can find CPU: https://www.newegg.com/amd-epyc-7252-socket-sp3/p/N82E168191... Motherboard: https://www.newegg.com/asrock-rack-romed8-2t/p/N82E168131400... SSD: https://www.newegg.com/samsung-2tb-980-pro/p/N82E16820147796... Computer Power Supply (the GPUs have their own power supplies, run apart from the computer, which I'm told is bad, but... seems to work for years now for me): https://www.newegg.com/corsair-hx-series-hx1200-cp-9020140-n... PCIe 4.0 x16 Risers: https://www.newegg.com/p/N82E16812987068?Item=N82E1681298706... Tower: https://www.newegg.com/black-fractal-design-meshify-2-compac... RAM: https://www.newegg.com/nemix-ram-16gb-288-pin-ddr4-sdram/p/1...

Total, without GPUs and their power supplies: $2900