Build your own R15 and R15 AMD. starting from USD 299 new case

https://www.ebay.com/itm/326660248219

2 DIMM

no cpu ram gpu or cpu cooler

Intel cooler hole spacing in a square, LGA1700 socket for 13th gen cpu

R15 AMD

4 DIMM

AMD cooler hole spacing in a rectangle, AM5 socket for Ryzen 7000 cpu

https://www.ebay.com/itm/326650989822?