AMD Ryzen 3000 Memory Benchmark & Common RAM Mistakes (fClock, uClock, & mClock)

Ryzen 3000 RAM frequency, latency, uclock, mclock, and fclock matter more than anything else for the R9 3900X, 3700X, and 3600. We're looking for the best RAM for Ryzen.
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Buy a GSkill 3200MHz CL14 kit on Amazon:
Or GSkill Royal 3600MHz CL16 on Amazon:
Gigabyte X570 Master on Amazon:
MSI X570 Godlike on Amazon:

We benchmarked an AMD R9 3900X Ryzen 3000-series CPU with various kits of memory from HyperX (Kingston), Crucial (Micron), GSkill, Corsair, and GeIL across two motherboards (the X570 Aorus Master and X570 Godlike). This matrix of results allows us to have a fuller picture of truly bad memory/board combinations for Ryzen 3000 and demonstrates results scaling from low frequencies to high. Critically, we also tuned fclock, uclock, mclock, and the ratios between them, as we went. Kits include 2400MHz, 3000MHz, 3200MHz, 3600MHz, 3866MHz, 4000MHz, and overclocking up to 4200MHz, along with primary, secondary, and tertiary timing adjustments as needed. For the most part, we tested with XMP, but further manual tuning was also done, along with software-assisted manual tuning from Ryzen Memory Calculator. Remember, buying the "best" RAM for Ryzen 3000 isn't good enough -- you also need to buy the right motherboard with the RAM. If the memory isn't on the motherboard's QVL, it may exhibit exceptionally poor performance.

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Editorial, Testing: Patrick Lathan
Test Lead: Steve Burke
Video: Josh Svoboda, Andrew Coleman

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