What do you think

Solution
You should buy 2x4GB, dual channel memory. It is a lot faster when it works in dual channel.
You can get a better PSU for the same price. Seasonic S12II.
A better cooler, like CRYORIG H7 would be good for your CPU.
You should buy 2x4GB, dual channel memory. It is a lot faster when it works in dual channel.
You can get a better PSU for the same price. Seasonic S12II.
A better cooler, like CRYORIG H7 would be good for your CPU.
 
Solution
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-6600K 3.5GHz Quad-Core Processor ($229.99 @ SuperBiiz)
CPU Cooler: CRYORIG H7 49.0 CFM CPU Cooler ($34.99 @ Newegg Marketplace)
Motherboard: ASRock Z170A-X1 ATX LGA1151 Motherboard ($91.00 @ SuperBiiz)
Memory: Kingston HyperX Fury Black 8GB (2 x 4GB) DDR4-2133 Memory ($57.45 @ Jet)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.78 @ OutletPC)
Video Card: PowerColor Radeon RX 480 8GB Red Devil Video Card ($239.98 @ Newegg)
Case: NZXT S340 (White) ATX Mid Tower Case ($66.99 @ SuperBiiz)
Power Supply: SeaSonic G 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($64.99 @ Newegg)
Operating System: Microsoft Windows 10 Home OEM 64-bit ($88.58 @ OutletPC)
Wireless Network Adapter: TP-Link TL-WN881ND PCI-Express x1 802.11b/g/n Wi-Fi Adapter ($16.92 @ Amazon)
Case Fan: Kingwin CF-012LBW 40.0 CFM 120mm Fan ($3.99 @ Directron)
Case Fan: Kingwin CF-012LBW 40.0 CFM 120mm Fan ($3.99 @ Directron)
Total: $948.65
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-01-06 21:46 EST-0500