I'm not sure DDR5 is that close, to be honest, at least in the PC ecosystem (maybe for smartphones it is). Zen 2 and its mobos are DDR4, and none of the rumors regarding Intel's next refresh mention the jump to the new memory either.
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.