Memory will clock down to run at optimal speeds depending on processor model number. Mixing x4 and x8 modules is allowed, however not within the same bank.
This system supports either Registered ECC (RDIMM) or Load Reduced (LRDIMM) memory. Mixing RDIMMs and LRDIMMs is not supported within this system.
Each processor supports two risers, a total of eight risers are supported with four processors