new pc

hii;
we want to buy new computer to run linuxcnc so can you rocomment to cheapset series to computer because . i did buy 3 computer to do new cnc but i did not to install with that configration.
it was intel  i3 10320(new) and 8 gb rm hp 2933 mhz. and msi h410m mother board. computer doas not install debian linux and linuxcnc new versiyon .because i have a mesa cards taht cards working with eternet cable mesa 7i93 cards need 2.9 versiyon.

any way can you recomment to me which computer component i have to buy it.

Orhan.