Have couple of questions relating to a mid-2011 27" iMac RAM upgrade. I have the original 2x2GB chips, but want to increase my RAM. Apple states 16GB is the max this machine can utilize; others state it can use 32GB. So first off, although this iMac might operate with 32GB, can it actually utilize all that RAM? Would I be better to keep the RAM at 16GB or less? Next, I want to keep the 2x2GB chips and add a pair of matched chips. If I add 8GB (2x4GB), would the CT2K4G3S1339M 2-pack be the same as two CT3373715? Thanks.
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