vapour :
If you want to play AAA games, you probably need a totally new system, only reusable stuff may be storage, case and maybe PSU. You will need a Ryzen 3/g4560/i3-7100 + 1050ti as about minimum requirement to run and you will need more to run very high-ultra quality.
True...
PCPartPicker part list:
https://pcpartpicker.com/list/n93MLD
Price breakdown by merchant: https://pcpartpicker.com/list/n93MLD/by_merchant/
CPU: AMD - Ryzen 3 1200 3.1GHz Quad-Core Processor ($109.77 @ OutletPC)
Motherboard: ASRock - AB350M Pro4 Micro ATX AM4 Motherboard ($49.99 @ Newegg)
Memory: Crucial - 8GB (1 x 8GB) DDR4-2133 Memory ($78.89 @ OutletPC)
Storage: Samsung - 850 EVO-Series 250GB 2.5" Solid State Drive ($94.99 @ B&H)
Video Card: MSI - GeForce GTX 1050 Ti 4GB Video Card ($142.29 @ Amazon)
Case: Rosewill - FBM-X1 MicroATX Mini Tower Case ($26.99 @ Amazon)
Power Supply: EVGA - BV 450W 80+ Bronze Certified ATX Power Supply ($46.18 @ OutletPC)
Total: $549.10
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-11-05 04:29 EST-0500