4 DIMMs, 2 Speeds

SeanStirrup · Feb 9, 2017

Hello, I have recently ordered my new PC parts and I received more RAM however I realised that they are different speeds.

I already have 16GB(2x8GB) Corsair LPX Vengeance Black 3200MHz

And I am also receiving 16GB (2x8GB) Corsair LPX Vengeance 3000MHz.

I am wondering if I OC the 3000 to 3200 can I use all 4 DIMMs or should I insert all 4 and use at the lowest speed (3000MHz) or will this not work?

The motherboard is a Gigabyte Z270X-Ultra Gaming Motherboard.

Thank you!

dangus · Feb 9, 2017

it's not advised to mix and match ram. they could both possibly work together but will default to the slower speed.

Eximo · Feb 9, 2017

You can try both. Personally it is probably wiser to go with looser (higher) timings and go for the slower speeds.

dextermat · Feb 9, 2017

Hi,
3 things to consider:
1-speed
2-cas
3-voltage

If they are all same voltage, it should work ok but the ram will be limited to the slower one.
If voltage are same but cas are different you may run into trouble. The more they differ. But if you have good ram , you can bring the speed down to slowest and tweak cas to be the same as slowest.
Good luck

scout_03 · Feb 9, 2017

http://www.corsair.com/en/vengeance-lpx-16gb-2x8gb-ddr4-dram-3200mhz-c16-memory-kit-black-cmk16gx4m2b3200c16 the other http://www.corsair.com/en/vengeance-lpx-16gb-2x8gb-ddr4-dram-3000mhz-c15-memory-kit-black-cmk16gx4m2b3000c15 these are the link for your memory so use cpu-z on spd to check the jedec of both that are close and put thise specs in bios in manual they should work since both are on the support list and use same voltages but they might work at the lowest speed .

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4 DIMMs, 2 Speeds

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