Newegg - refurb 6th-gen Dell SFF w/16GB / 512GB SSD, GT 1030 2GB DDR4 $182

[VirtualLarry]

https://www.newegg.com/p/3D5-0002-00TG5?Item=9SIADFMJ7R8952&cm_sp=SP-_-1866705-_-Pers_HomeBottomSPA-_-4-_-9SIADFMJ7R8952-_--_--_-41

It's not fancy, but it will play most e-sports titles.