And if so, any issues?
I was doing Geekbench benchmarks and found this profile: https://browser.geekbench.com/v4/cpu/1046173
Notice the 2133 MHZ RAM installed on that unit. Clearly, he's able to boot and run his Mac and run all Geekbench 4 tests.
I'm tempted to test it out myself to see if there are any overall system performance increased (boot time, app launch, etc..) but I can't find where to buy that 2133 MHZ 204-pin RAM. Any suggestions?