RDIMM


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RDIMM

(Registered DIMM) A dual in-line memory module (DIMM) with improved reliability. The RDIMM, which became available for DDR3 memory, uses a hardware register that buffers the control signals (not the application data) to the modules. The buffering adds a clock cycle and uses more power but handles the heavier electrical loads placed on high-speed, high-density memory modules better than the traditional DIMM, or "unbuffered DIMM" (UDIMM). RDIMMs also support Chipkill/SDDC memory (see chipkill). When two or more DIMMs are used per memory channel, RDIMMs typically provide greater performance than UDIMMs, but the motherboard documentation must be consulted to determine which modules can be used. See memory module and SDRAM.
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On top of that, a single 64GB RDIMM consumes 19 percent less power compared using two 32GB RDIMMs.
Unlike traditional registered DIMMs, or RDIMMS, which limit the amount of server memory that can be installed due to their loading profile, LRDIMMs replace the register with an isolation memory buffer to reduce the load.
"Micron's demonstration of a 4GB RDIMM and the underlying 1Gb DDR2 technology is another important step in enabling Intel server platform customers with the latest high-density solutions," said Pete MacWilliams, Intel Senior Fellow, Intel Corporation.
The company said that after it provided its business outlook for the third and fourth quarters of 2011 on 26 July 2011, it has become aware of a likely further delay in shipping its next generation iMB and RDIMM products as well as a slower-than-anticipated rate of orders currently being booked by customers for the third quarter.
This technique is usually used on high-speed on-chip data processing, and on registered DIMM (RDIMM) memory card designs.
This comes just one year after the company announced its 50nm-class 2Gb based, 16GB registered dual inline memory module (RDIMM) last March.The highly-efficient 32GB RDIMM consists of 36 dual-die 40nm-class 4Gb DDR3 chips that can perform at equal or greater levels to a 40nm-based 16GB RDIMM with no increase in power consumption.By equipping a dual CPU, two-way server with 32GB modules, a server system can have up to 384GB of memory.
Mass production of the 32GB RDIMM is slated to begin next month, the statement said.
Extra Memory and Graphics Power with VGA and DDR3 RDIMM Support
The new chip paves the way for 32G Byte registered dual inline memory module (RDIMM), in line with nine quad-die package (QDP) 16 GB DDR3s are mounted on each side of the printed circuit board for a collective 32GB, highly compact configuration.
SMART Modular Technologies expanded its DDR2 family to include what is said to be the industry's first 8-GB PC2-5300 244-pin Mini-registered DIMM (RDIMM) designed using CoolFlex and dual die package (DDP) technologies.
The new registered dual in-line memory module, or RDIMM, is designed primarily for use in enterprise and cloud server applications, the company said.
HyperStream is available from Netlist in standard 4GB and 8GB DDR3 1333 MT/s and 1440 MT/s RDIMM configurations, both LP (30mm) and VLP (19mm) form factors.