Looks like the Intel CPU only supports memory up to DDR4-2400, It could be ok with the faster memory but I’m not sure.
I recently bought a i3 6100 and some Corsair 8GB DDR4 Vengeance LPX 2133MHz (2x4gb) to go with it.
I looked at M2 SSD boards and you can get up to something crazy like 23gbs data transfer but I find a normal SSD plenty fast enough.