What do you think of my pc build?

Solution
Solid enough build, yes.

For similar money, I'd make pretty much wholesale changes:
PCPartPicker part list / Price breakdown by merchant

CPU: AMD - Ryzen 5 1600 3.2GHz 6-Core Processor ($194.89 @ OutletPC)
Motherboard: MSI - B350M PRO-VH PLUS Micro ATX AM4 Motherboard ($56.98 @ Newegg)
Memory: G.Skill - Ripjaws V Series 8GB (2 x 4GB) DDR4-3000 Memory ($101.99 @ Newegg)
Video Card: NVIDIA - GeForce GTX 970 4GB Video Card
Power Supply: SeaSonic - FOCUS Gold 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($54.99 @ Newegg)
Total: $408.85
Prices include shipping, taxes, and discounts when available
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Barty1884

Retired Moderator
Solid enough build, yes.

For similar money, I'd make pretty much wholesale changes:
PCPartPicker part list / Price breakdown by merchant

CPU: AMD - Ryzen 5 1600 3.2GHz 6-Core Processor ($194.89 @ OutletPC)
Motherboard: MSI - B350M PRO-VH PLUS Micro ATX AM4 Motherboard ($56.98 @ Newegg)
Memory: G.Skill - Ripjaws V Series 8GB (2 x 4GB) DDR4-3000 Memory ($101.99 @ Newegg)
Video Card: NVIDIA - GeForce GTX 970 4GB Video Card
Power Supply: SeaSonic - FOCUS Gold 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($54.99 @ Newegg)
Total: $408.85
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-02-06 12:25 EST-0500

Ryzen will benefit from faster RAM, 3000MHz is pretty much the 'sweet spot'. 2666MHz will work in a pinch.

For the money, the SeaSonic Focus+ is a top tier PSU and should last you much longer than the Corsair option .

 
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