The recommended mining configuration is completely absurd:
(from mining-hardware-config-testnet-v3.pdf)
2x Epyc 7402  ($2k each)
1x Epyc 7F32  $2k
1TB DRAM      $4k
8x 2TB SSD    $3k
3x Quadro RTX 6000   $5k each

I think I'll pass on this one....