You can thank miners for that.
Try these:
PCPartPicker part list:
https://pcpartpicker.com/list/ssbQCy
Price breakdown by merchant: https://pcpartpicker.com/list/ssbQCy/by_merchant/
CPU: AMD - Ryzen 3 1200 3.1GHz Quad-Core Processor ($99.99 @ Amazon)
Motherboard: MSI - B350M PRO-VD PLUS Micro ATX AM4 Motherboard ($56.98 @ Newegg)
Memory: Crucial - 8GB (2 x 4GB) DDR4-2400 Memory ($87.99 @ SuperBiiz)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($46.69 @ OutletPC)
Video Card: Zotac - GeForce GTX 1060 3GB 3GB Mini Video Card ($294.98 @ Newegg)
Case: Raidmax - Vortex ATX Mid Tower Case ($23.98 @ Newegg)
Power Supply: Corsair - CX (2017) 450W 80+ Bronze Certified ATX Power Supply ($48.98 @ Newegg)
Total: $659.59
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-01-15 10:26 EST-0500
Bit over, but good build. Quality parts.