Putting 16 gigs of RAM in a non-Retina Display MBP

I see that the "new" non-Retina Display MacBook Pro shows a max of 8 gig of RAM.  But I'm seeing kits for 16 gig, and even the Apple Store people seem equivocal about whether it will handle 16.  Is there any harm in putting 16 gig in it?  Any benefit?  For that matter, is there a general answer to this question?  What prevents me from putting as much RAM as I can find in?  I'm told that there are firmware limitations, but again, I'm hearing different answers from different sources.  Thanks!

BobFromIN wrote:
Pardon my ignorance, but what are Apple PROMS?
Correctly stated I should have used "eprom". That is the firmware programming on the memory module that tells the computer what the memory is, how it is laid out and tells the memory how to behave. Memory without Apple eproms tends to either not work or to function erratically in a Mac - literally no guarantees. Hence the recommendation is to always get your memory from an retailer that  has a history of testing their memory. Those retailers should all give 'lifetime warranty' and you want retailers that have been around a while. There have been tons of memory suppliers that lasted only a couple years.
The other side of the equation is that not all memory is created equal. Some memory modules are made by the chip manufacturers. Micron is the only US chip manufacturer and they make Micron Original and Crucial brand memory. Samsung, Hynix and several others are all high end chip companies that also make their own modules. If the chip manufacturer also made the module then they are referred to as 'original'. (the module being the PC Board containing the chips and afore mentioned eprom) Modules can be made by anyone. Anyone can buy any chips from any manufacturer and make up a module with them. These are typically called 'third party' or 'non-original' memory. WIth those the quality runs the full spectrum with much wider quality control than from original manufacturers.
There are good third party memory! Don't get me wrong. You just want to make sure the retailer that sells it to you has enough reputation to care whether they are selling good stuff or not.
Rick

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