4 units of 32GB RAM with 6400 DDR5 memory aren't starting, especially when using XMP settings.
4 units of 32GB RAM with 6400 DDR5 memory aren't starting, especially when using XMP settings.
Memory controllers for DDR5 face challenges in managing quad rank memory (128GB+) with acceptable performance. For 128GB, you're generally limited to DDR5 4400 or below, and reaching speeds above 6400MT/s is only possible up to around 96GB, even with advanced chips like the 13900K.