^ Good build,
PCPartPicker part list:
https://pcpartpicker.com/list/LtGZTH
Price breakdown by merchant: https://pcpartpicker.com/list/LtGZTH/by_merchant/
CPU: AMD - Ryzen 5 1600 3.2GHz 6-Core Processor ($169.99 @ Newegg)
Motherboard: MSI - B350 PC MATE ATX AM4 Motherboard ($64.89 @ OutletPC)
Memory: Team - Vulcan 8GB (2 x 4GB) DDR4-3000 Memory ($95.89 @ OutletPC)
Total: $330.77
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-03-20 07:59 EDT-0400
This build has a better mobo, stronger processor (6 cores).
You can upgrade the RAM down the line, but 8 gigs works for now, and is still really good.