Honestly, I've been through so many builds where I cut corners on RAM and totally regretted it later. For a B580 at 1440p, you really gotta prior...

Seconding the recommendation above. Honestly, chasing 6400MHz is risky cuz of how the memory controller handles the 1:1 ratio. I tried pushing my 9800...

Ok so, I've been through this exact dilemma across multiple Mac generations over the years, and honestly, the answer has almost always been to go high...