Here are the specs I’m looking for and my estimated costs for reputable brands. I haven’t found any retailer selling prebuilt machines to meet this for less than $3,500 and all with lead times of at least a month.
10th or 11th gen Intel 9000 series CPU ($500)
Liquid cooler ($100)
Case fans ($125)
Z590 motherboard ($225)
32MB DDR 4 3600 memory ($185)
M.2 primary drive 500GB ($100)
M.2 secondary drive 2TB ($300)
RTX 3080 or better GPU (???????)
850W or better power supply ($150)
Multi-gig NIC ($100)
10th or 11th gen Intel 9000 series CPU ($500)
Liquid cooler ($100)
Case fans ($125)
Z590 motherboard ($225)
32MB DDR 4 3600 memory ($185)
M.2 primary drive 500GB ($100)
M.2 secondary drive 2TB ($300)
RTX 3080 or better GPU (???????)
850W or better power supply ($150)
Multi-gig NIC ($100)