I made a few changes with a board that features overclocking, faster RAM, dual channel RAM, and a SSD for a boot drive. Still kept it at $350 and it is better than going with an old OptiPlex.
PCPartPicker part list:
https://pcpartpicker.com/list/v6cphy
Price breakdown by merchant: https://pcpartpicker.com/list/v6cphy/by_merchant/
CPU: AMD - Ryzen 3 2200G 3.5GHz Quad-Core Processor ($94.89 @ OutletPC)
Motherboard: ASRock - AB350M Pro4 Micro ATX AM4 Motherboard ($49.99 @ Newegg)
Memory: ADATA - XPG GAMMIX D10 8GB (2 x 4GB) DDR4-3000 Memory ($83.99 @ Newegg)
Storage: Inland - Professional 120GB 2.5" Solid State Drive ($24.99 @ Amazon)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($43.90 @ OutletPC)
Case: Rosewill - SRM-01 MicroATX Mini Tower Case ($22.99 @ Amazon)
Power Supply: Corsair - CX (2017) 550W 80+ Bronze Certified ATX Power Supply ($29.99 @ Newegg)
Total: $350.74
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-06-27 16:12 EDT-0400
With another $100 or so you can have a 8100 and a gt1030.
PCPartPicker part list:
https://pcpartpicker.com/list/VgdR4q
Price breakdown by merchant: https://pcpartpicker.com/list/VgdR4q/by_merchant/
CPU: Intel - Core i3-8100 3.6GHz Quad-Core Processor ($118.69 @ OutletPC)
Motherboard: MSI - B360M PRO-VD Micro ATX LGA1151 Motherboard ($55.99 @ B&H)
Memory: Patriot - Signature Line 8GB (2 x 4GB) DDR4-2666 Memory ($78.99 @ Amazon)
Storage: Inland - Professional 120GB 2.5" Solid State Drive ($24.99 @ Amazon)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($43.90 @ OutletPC)
Video Card: Gigabyte - GeForce GT 1030 2GB Silent Low Profile Video Card ($93.98 @ Newegg)
Case: Rosewill - SRM-01 MicroATX Mini Tower Case ($22.99 @ Amazon)
Power Supply: Corsair - CX (2017) 550W 80+ Bronze Certified ATX Power Supply ($29.99 @ Newegg)
Total: $469.52
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-06-27 16:15 EDT-0400