Ryzen RAM Guide: 5 Key Compatibility Rules

AMD Ryzen CPUs require careful RAM selection due to Infinity Fabric and memory controller quirks. AM5 Ryzen 9000 runs 1:1 ratio up to DDR5-6400, while AM4 5000 series tops at DDR4-3733. Buy matched kits, avoid mixing single and dual-rank DIMMs, and check motherboard QVL lists.