Is RAM speed higher than 2666 MHz not advised for Premiere Pro?

[yairb999]

This is what I've read somewhere but I can't find it.

Might be a comment by Ann Bens.

[Peru Bob]

"Starting off with Premiere Pro, the results are quite different than what we expected. Oddly enough, we actually saw slightly worse performance with the higher frequency RAM when using the Intel Core i9 9900K and Core i9 9980XE. The 9900K in particular saw up to a 7% performance drop with DDR4-3000 RAM, but recovered a bit with 3200 and 3600 RAM."

from here:

https://www.pugetsystems.com/labs/articles/Does-RAM-speed-affect-video-editing-performance-1528/

[Guest]

Let me add that if you can't pass Memtest, don't bother trying to troubleshoot Premiere: https://www.memtest86.com/