U can't oc the 1400 with that stock cooler. Get the 1500x instead :PCPartPicker part list
/ Price breakdown by merchantCPU: AMD - Ryzen 5 1500X 3.5GHz Quad-Core Processor
($224.99 @ Amazon Canada) Motherboard: ASRock - AB350M Pro4 Micro ATX AM4 Motherboard
($89.50 @ Vuugo) Memory: G.Skill - Ripjaws 4 Series 8GB (2 x 4GB) DDR4-2800 Memory
($79.99 @ Memory Express)
$394.48Prices include shipping, taxes, and discounts when availableGenerated by PCPartPicker 2017-08-17 00:38 EDT-0400
Bump up the ram speed to 2933 in bios.