AI
MRDIMM: A Full Guide to Multiplexed-Rank DDR5 When RDIMM Runs Out of Bandwidth
MRDIMM (Multiplexed Rank DIMM) doubles the bytes per cycle on server DDR5 by muxing two ranks through on-DIMM MRCD and MDB buffers. Gen1 ships near 8800 MT/s on Intel Xeon 6 versus RDIMM 6400, with JEDEC Gen2 raw cards targeting 12,800 MT/s.