There are 2 answers and a PRE-ANSWER.
The pre-answer is that when I want to be sure I have the most support for memory I get my BIOS up to date. Next, if you still have memory compat issues:
1. Go get them from Crucial.com.
2. Buy models that are on your motherboard's RAM QVL.
I am upgrading my ram from 16gb to 32gb and a set of 4 does not work on my pc. So i am going to get 2x16gb
What would be a good suggestion for my pc
Windows 10 64bit
Asus z87-a motherboard
Processor: intel core i5-4670K CPU @ 3.4GHz, 3401 MHz, 4 cores, 4 logical processors
Bios: American mega trends Inc 2103
graphics: GeForce gtx 660