Need upgrade Ram

So I have Asus X99-a Board with Intel 5820k. I am looking to upgrade the system to 64 GB ram. I have noticed on the board QVL list there is no 16 GB module of ram listed. Do you think a 16 GB ram module will work on the board?

The reason for the ram upgrade is wanting to play with DRS in esxi. The other host has 64 GB ram. So the rig has 32 GB ram and the module are missed matched. The reason I want to put 16 GB modules in is so I could upgrade to 128 GB if need comes up. Once upon time the rig was gaming rig.

You’ll need to look up the manual of the board and see how much total RAM it supports. CPU is not the only factor in RAM size support, mainboard needs to support it too. If the board has no support for 16GB RAM sticks, you cannot add 16GB RAM sticks without serious stability problems.

Well the board built before 16 GB stick were out. However the was bios update that add support for those modules. However the the QVL list and manual were written before the update. Although that does idea I could pull 16 GB stick from another machine see if the machine starts with it.

no mate for that board you want dual channel 2x32gig or quad channel 4x16.
are you better off with 2x32 rather than 4x16 ?
that depends… make a choice :wink:

4x16 will give more bandwidth for productivity, while 2x32, more efficient access times for gaming.

The old ram I could not get to run over 2666MHz even though it was rated for 2800. The old ram was Gskill RipJaw which had odd voltage of 1.2 even at 2800. I did try the ram up 1.4v Still would not run stable.
I borrowed ram from another machine that had 16 gb stick the board. had no problem. I went for 4x16. I end up buying the ram at Best Buy. It was DDR4 3200 Corsiar Vengence RGB Pro. The machine seems to like this ram lot better. I just had to set the ram to XMP and everything worked fine.
I did rerun benchmarks on machine and pretty much performed same. I used Pcmark 10,Intell burn Test, and Cinebench r20. The old ram had tighter timing. At the end of day kind wash. For what it worth is worth I had the CPU running at 4.5 GHz on 5820k. Normally when I run the machine in Virtualization I have the CPU set at 4 GHz. I have to add lot cpu voltage to get to 4.5 GHz. I also have to tweak couple other CPU power deliver setting to get 4.5GHz. Were at 4 Ghz just set to Voltage to 1.17 and set line load calibration set level 3. Note the CPU is all core and can pass intel burn test set using all ram. I initial test OC with cinebench r23

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