This system was chosen for its high-end and silent performance. I no longer have a use for this system. An older GPU enables AAA gaming on a budget and one's own upgrade preferences with a solid resale value. Check Craigslist for a good deal.
Case:
Phanteks eclipse p600s
No damage, sound dampened
Parts:
Motherboard ASRock B550 Taichi
CPU AMD 5900x
RAM Crucial Ballistix Elite 32GB 3900 CL16 8.2ns 4x8 (optimal for this CPU)
Cooler Noctua NH-D15
Power EVGA Supernova 1300W
Graphics EVGA Nvidia GTX 970 capable of 1440p 144hz high resolution gameplay
Fans 4x120mm, 3 original to the case
Sabrent 1tb nvme 4.0 ssd (main)
Samsung 500gb Evo 970
Over $1000 new, consider the offer a free GPU/space heater.
Ubuntu Linux pre-installed for evaluation. Windows is $15 from bulk key retailers and won't be bugged, unlike other listings. A guide for installation can be provided. You'd reinstall anyways, at least you'll be involved and won't be stuck with win10.
Tech Power Up determined PCI-e 4.0 sufficiently supports a 5090.
This isn't 2005, water cooling has a negligible impact when a deeper fan is able to idle.