Answer (1 of 4) Usually no 4000MHz RAM will be slower unless you overclock your Infinity Fabric (FCLK/Fclock) and memory controller (UCLK/Uclock) Ryzen CPUs work best with RAM running synchronously with the CPU's "Infinity Fabric" and memory controller By This 1 2V XMP technology allows the higher speed of DDR430 CL16 SDRAM while supporting all mainstream ECC memory modules Also, the DDR4 RAM from XPG is the fastest RAM you can possibly get for your Ryzen 9 5900x This DDR4 is available in four different frequencies 2400MHz, 2666MHz, 2800MHz, and 30MHzMore data can be stored in the L2 cache for access by each core of the CPU 8 Has an unlocked multiplier AMD Ryzen 5 3600 AMD Ryzen 9 5900X Some processors come with an unlocked multiplier which makes them easy to overclock, allowing you to gain increased performance in games and other apps 9

Cl16 Ddr4 30mhz Vs 3600mhz For Ryzen Amdhelp