Micron Announces Load-Reduced Memory Module For Servers – LRDIMM
Micron Technology, Inc. today announced that it has produced the industrys first DDR3 load-reduced, dual-inline memory module (LRDIMM) and will begin sampling 16-gigabyte (GB) versions this fall. By reducing load on the server memory bus, Microns LRDIMMs provide the option to support higher data frequencies and significantly increase memory capacity. Micron is currently sampling an 8GB LRDIMM with select enablers. Mass production of its 16GB LRDIMMs is expected to begin in 2010.
Microns LRDIMMs currently use Inphis recently announced isolation memory buffer (iMB) chip in place of a register to reduce the bus load when transferring data between the memory and processor. Microns new LRDIMMs reduce this load by 50 percent for a dual-rank module and 75 percent for a quad-rank module, when compared to todays standard DDR3 server modules registered DIMMs (RDIMMs). By reducing the load on the bus, Microns LRDIMMs enable servers to handle higher frequencies of data to improve overall system performance and support increased number of modules for greater system memory capacity.
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