Deviating from the QVL by just two letters!

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21 Dec 2024
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Cheshire
I'm trying to plan a gaming system (1440p but I want to try VR in the future) I will build a few months from now using an MSI X670E Gaming Plus WiFi motherboard and 7800X3D CPU and a mid-tier 16 GB GPU.

My question pertains to the RAM. I would like to use two 24 GB DIMMS which I hope to run at 6000 MHz (1:1:1) but the QVL doesn't give many CL30 options for 24 GB modules. There is CMP48GX5M2B6000C30 but it would have to be imported and it's a little expensive. The closest product I can find on Overclockers.co.uk is CMK48GX5M2B6000Z30 and I think it's the same 30-39-39-76 timings for both. The QVL one is meant to be specifically ver5.53.13 which has Hynix M-die chips but I don't think I have any way to know what version I'd get until I get it and scrutinise the label.

One thing I think is weird is that the QVL one (CMP48GX5M2B6000C30) is intended for Intel systems and has XMP profiles while the cheaper one which I'm interested in (CMK48GX5M2B6000Z30) is intended for AMD and has EXPO profiles. I'm not sure how much that matters but thought it was strange that the QVL (for an AMD motherboard) has the Intel but not AMD one.

Do you know whether it would be acceptable to order the CMK48GX5M2B6000Z30, test the system at 6000 MHz and return the RAM if it doesn't seem to be compatible?

Alternatively there's CTCWD548G6400HC32ADC01 which is about the same price as the CMK48GX5M2B6000Z30 but is less optimal (6400MHz CL32-39-39-84).
 
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