https://ark.intel.com/products/88196/Intel-Core-i7-6700-Processor-8M-Cache-up-to-4_00-GHz
Memory TypesDDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
https://www.gigabyte.com/Motherboard/GA-Z170-HD3-DDR3-rev-10#ov
Skylake funciona com DDR3, só tem que ficar de olho na voltagem.