16GB DDR3 RAM memory module for desktop pc?

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I noticed the new FM2+ / FM2 motherboards for AMD APU's support four 16GB memory modules for a total of 64GB.

I have googled every possible term and phrase related to a 16GB memory module without finding any 16GB memory modules suitable for use in an AMD APU based pc. It appears as if the available 16GB modules are designed for use in enterprise servers. There are plenty of memory modules for servers but they are very expensive. In addition, user reviews seem to indicate the server memory modules are not compatible with a desktop pc.

Can anyone provide any information about this?

Some of you might be wondering why I want 64GB of memory in a desktop pc. I want to test larger capacity virtual memory ramdisks for an article.
 
Solution
The MC (memory controller) is suppose to be able to support up to 16GB DIMMs, which has been planned by many, and there are sticks in the Buffereed ECC type, but with DDR4 already coming into play, most manufacturers are bypassing the 16GB UDIMMs as there has been little to no call for them - INtel looked at the same w/ socket 2011 - there are/were mobos made that were to support up to 128GB of DRAM 8x16GB


I stumbled upon this question while searching the internet for the same reason as OP. I have a serious joke to share w.r.t ASUS QVL for memory - that doesn't solve the problem.
https://www.asus.com/us/Motherboards/A78MA/HelpDesk_QVL/
Scroll down to the 3rd page of the PDF file; 2nd entry/line.
It states 64GB (8GBx8). While this FM2+ mobo has 4 DIMM slots.
I mean. Seriously? :ouch: