Games keep crashing

PCPartPicker part list / Price breakdown by merchant

CPU: AMD - Ryzen 3 1200 3.1GHz Quad-Core Processor ($93.89 @ OutletPC)
Motherboard: ASRock - AB350M Pro4 Micro ATX AM4 Motherboard ($59.89 @ OutletPC)
Memory: Team - T-Force Vulcan 8GB (2 x 4GB) DDR4-3200 Memory ($80.98 @ Newegg)
Storage: Kingston - A400 240GB 2.5" Solid State Drive ($38.99 @ Walmart)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($44.89 @ OutletPC)
Video Card: Gigabyte - GeForce GTX 1060 3GB 3GB Windforce OC Video Card ($204.98 @ Newegg Business)
Case: Fractal Design - Focus G (White) ATX Mid Tower Case ($42.60 @ Amazon)
Power Supply: SeaSonic - EVO Edition 620W 80+ Bronze Certified Fully-Modular ATX Power Supply ($39.99 @ Newegg)
Operating System: Microsoft - Windows 10 Home OEM 64-bit ($94.89 @ OutletPC)
Total: $701.10
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-10-01 22:35 EDT-0400

Built yourself. Better motherboard, RAM, PSU, SSD, Case. Equal CPU and GPU
 
downlaod hardware info set it to logging and sensor see if the 12v rail is holding. post up here the make and model of the power supply it may be so cheap it not a true 500w unit. make a memtest usb stick boot and run it over night to check ram for errores.