Is this a good pc build for gaming/YouTube?

Made a few changes to your config:

PCPartPicker part list: http://pcpartpicker.com/list/GPNFGf
Price breakdown by merchant: http://pcpartpicker.com/list/GPNFGf/by_merchant/

CPU: Intel Core i7-6700K 4.0GHz Quad-Core Processor ($344.99 @ SuperBiiz)
CPU Cooler: Corsair H60 54.0 CFM Liquid CPU Cooler ($59.99 @ Newegg)
Motherboard: ASRock Z170 Extreme7+ ATX LGA1151 Motherboard ($173.98 @ Newegg)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2400 Memory ($67.99 @ Newegg)
Storage: Samsung 850 EVO-Series 500GB 2.5" Solid State Drive ($155.00 @ Amazon)
Storage: Western Digital Caviar Black 1TB 3.5" 7200RPM Internal Hard Drive ($84.88 @ OutletPC)
Video Card: PowerColor Radeon RX 480 8GB Red Devil Video Card ($279.00)
Case: Corsair SPEC-03 Red ATX Mid Tower Case ($59.99 @ Newegg)
Power Supply: EVGA SuperNOVA NEX 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($77.99 @ SuperBiiz)
Total: $1303.81
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-07-31 19:30 EDT-0400

Changed the CPU to a 1151 i7 K CPU coupled with a very solid Extreme Z170 motherboard + DDR4.
Also changed the VGA to a much more newer tech, 480 custom designed Devil card. The reviews of this card has been great.
And in the end the PSU to a better quality one.