I'm working on a PC build with the following components: CORSAIR VENGEANCE DDR5 RAM 96GB (2x48GB) at 5200MHz, an ASRock AMD X870E Taichi Lite motherboard supporting Ryzen Socket AM5, an AMD RYZEN 7 9800X3D processor, and I'm considering adding a Crucial Pro 128GB Kit (2x64GB) DDR5 RAM running at 5600MHz. I'm experiencing issues where I can't get past POST with error codes 15 and 00. I can boot using only two modules at a time (either the 48GB or 64GB sticks), but not all four together. I'm wondering if the RAM needs to match exactly, or if the platform struggles with four RAM modules. I've also tried lowering the RAM speed to 4800MHz and enabling the EXPO profile, but I'm stuck. Any suggestions?
1 Answer
AMD platforms can be finicky with RAM, especially when using four sticks. Mixing different RAM kits isn't ideal since they often have varying sub-timings and could lead to stability issues. You might want to consider getting another set of Crucial RAM to match perfectly, but be aware that mixing brands can complicate things further.
Would that really help? I thought all DDR5 would work together, but I guess I was mistaken. Would it be too much stress on the memory controller if I added another set of those Crucial sticks?