G.Skill TridentZ Royal DDR4 4000 MHz CL17 (4x 8GB) review - CPU-Z – DDR4 with an AMD Ryzen 7 3700X/Intel Core i9 9900K, with XMP enabled
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Corsair Vengeance RGB PRO SL Black 64GB 4000MHz AMD Ryzen Tuned DDR4 Memory Kit LN120959 - CMH64GX4M2Z4000C18 | SCAN UK
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AMD Ryzen 5000 "Zen 3" Desktop CPU Built For Memory Overclocking, DDR4-4000 Recommended As Sweet Spot
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Ryzen 5600 memory: I enabled the XMP profile for 4000 mhz RAM... - CPUs, Motherboards, and Memory - Linus Tech Tips
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