Couple of things. Those boards can only support upto 2133 ram, so higher will eventually become lower. PSU units are not too good. Out of the 3 the 2nd build looks best with rx480. But this should be more optimized, for a little more.
PCPartPicker part list /
Price breakdown by merchant
CPU: Intel Core i5-6500 3.2GHz Quad-Core Processor ($191.91 @ Jet)
Motherboard: Gigabyte GA-H110M-A Micro ATX LGA1151 Motherboard ($53.98 @ Newegg)
Memory: GeIL EVO POTENZA 16GB (2 x 8GB) DDR4-2133 Memory ($72.99 @ Newegg)
Storage: ADATA Premier SP550 120GB 2.5" Solid State Drive ($42.89 @ OutletPC)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.78 @ OutletPC)
Video Card: Zotac GeForce GTX 1060 6GB 6GB Mini Video Card ($239.99 @ SuperBiiz)
Case: Rosewill SRM-01 MicroATX Mini Tower Case ($11.99 @ Newegg)
Power Supply: SeaSonic S12II 620W 80+ Bronze Certified ATX Power Supply ($49.99 @ B&H)
Total: $713.52
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-12-05 23:13 EST-0500