CPU: Intel G4400
Motherboard: ASUS Prime Z270-A
RAM: 8GB DDR4 2400 Mhz
HDD: 128GB or 256GB SOLID STATE
PSU: EVGA SuperNOVA 1600 - P2 or T2, either one
Frame: Didn’t have the patients to build one so I used this one: https://www.amazon.com/gp/product/B073SMF21G/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

Now, as far as GPU’s go, it all depends on what you want to mine.