24 months ago
Any RAM with 2666-3200 Mhz speed and 24-32 GB looks good if you dont mind spending a little - but from the looks of your build you don't.
I'm going to be the ******* who changes your whole build when all you asked about is ram. :)
The NEX PSU kinda sucks, added a better model. A three-fan video card will run cooler and quieter, bigger SSD for the same price, 8600K is a better deal than the 7700K CPU:
PCPartPicker part list / Price breakdown by merchant
Also, if you went with a cheaper, (but still very capable,) CPU, you could add a bigger SSD and 1070Ti for about the same price: