Possibly, it is always a crapshoot mixing ram though. If you have them both in hand I would give it a try you really are not going to hurt anything. I would start of by seeing your system to default settings in bios before adding the second set of sticks. If it runs there you can then start to manually increase the speed and voltages and then drop timings. All adjustments should be done manually as you will not be able to enable XMP with the mixed kits.