My rule of thumb is to always get matching RAM sticks. That would eliminate the matching problem that Matt has stated. I also have seen different RAM sticks with the same specs cause problems, even if the sticks came from the same manufacturer.
YMMV.


Back in my day the only time we started panic buying was when the bartender shouted "last call"!

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware