Questions about using two different RAM speeds.

[Zortac]

Hey guys,

I just bought new RAM for my PC, which is DDR4-4000 while my old RAM is DDR4-3600. They are both Crucial Ballistix RAM and both 1.35 V. I have a B550 Aorus Pro AC Motherboard. I know that the RAM will function as 3600, which is fine with me, but will it take with my MOBO? Is there anything I need to do besides plug it in and see? Thanks to anyone who answers.

[Tech87]

15 minutes ago, Zortac said:

Hey guys,

I just bought new RAM for my PC, which is DDR4-4000 while my old RAM is DDR4-3600. They are both Crucial Ballistix RAM and both 1.35 V. I have a B550 Aorus Pro AC Motherboard. I know that the RAM will function as 3600, which is fine with me, but will it take with my MOBO? Is there anything I need to do besides plug it in and see? Thanks to anyone who answers.

The 4000 sticks will likely just run at 3600mhz speed.

You can try manually dialing in 4000mhz speeds, but the 3600mhz sticks may be unable to run at that rate.