That's it's rated speed. I got mine during the memory price hike. Back then before Ryzen nobody really cared about memory speeds. So thought nothing of it. I won't be gaining all that much from it for games anyway.
It would have helped when I was doing my programming development work as I was basically at idle 10.5-11GB with my software just open. More speed to hurry up compiling/mathematical work and more capacity would have made it easier to keep chrome open with 20 tabs
So yeah I've dealt with it. Never an issue though. I'm only using a 8700k, GTX 1080 at 1440p. Memory is definitely not my bottleneck.