FD2Raptor
Admirable
http://www.tomshardware.com/reviews/mushkin-redline-ridgeback-ddr4-3200-c20-16gb-memory,4973-2.html
This is just a single DDR4 review with just two titles to show that there are titles that do benefits from having faster RAM. There was a different one at hardwareunboxed from mid 2016 that tested some 20 titles and quite a number of them benefits from having at ~2400 or higher (I distinctively remember Fallout4 was one of such titles that see 5-10% performance differences between each tier of the higher frequency DDR vs the lower ones that at the times mostly capped out at 2666 with a few still show improvements all the way to 3200).
If one is to have a GTX1070 or better graphic card + OCed CPU, they'd benefits from not making their memory bandwidth be the bottleneck.
I think you guys should have another look at OP original post, before recommending he put all the efforts in custom loop and big, gigantic air tower.
This is just a single DDR4 review with just two titles to show that there are titles that do benefits from having faster RAM. There was a different one at hardwareunboxed from mid 2016 that tested some 20 titles and quite a number of them benefits from having at ~2400 or higher (I distinctively remember Fallout4 was one of such titles that see 5-10% performance differences between each tier of the higher frequency DDR vs the lower ones that at the times mostly capped out at 2666 with a few still show improvements all the way to 3200).
If one is to have a GTX1070 or better graphic card + OCed CPU, they'd benefits from not making their memory bandwidth be the bottleneck.
I don't overclock
I think you guys should have another look at OP original post, before recommending he put all the efforts in custom loop and big, gigantic air tower.