DDR5 vs DDR4 DRAM

With DDR5 it's always better to use two modules only (and even with DDR4 that is advised, but four modules can at least work quite decently

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ddr4 slot vs ddr5 TE's DDR5 DIMM Sockets are engineered for higher data rates, providing twice the speed of DDR4 solutions, and built for increased reliability to withstand

ddr4 and ddr5 same slot Scan audio has some benchmarks of this DDR45 thingy in a video DDR4 performs the same as DDR5 in audio and fx plugins but in VST sample based