In the spirit of gaming PCs in server chassis', here's servers in gaming PC cases : r/homelab
Using Server Motherboard for Gaming
R-CLASS | ORIGIN PC
High Performance S700 ATX 500W Computer Power Supply Mining PSU Power Supplies Server PC Gaming Unit Miner Powersupply 600 Watt 80 Plus - China Gaming PSU and Power Supply price | Made-in-China.com
Silent homelab with game pc : r/homelab
But can it stream Crysis? Nvidia's new cloud gaming server explained | Ars Technica
How to turn a server into a budget gaming PC - digitec