Did you use
RAM Type: PC3-10600 DDR3 Min. RAM Speed: 1333 MHz
Your problem is with the 16 GB sticks. This machine will support 32 GB of memory using four 8 GB modules.
pair the same size sticks in one pair of slots. Boot with the two 8s only the the same with the two fours. Make sure your EFI firmware has been updated and you are not using higher speed RAM and that this RAM is compatible with Mac.
This can also be bad RAM. Where did it come from? Are you getting any beeps?
If any of these items are in your library, trash them. See the first solution here: