Micron Introduces a New Way to Increase Server Memory Capacity and Improve Performance

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Thu Jul 30, 2009 8:00am EDT

New Load-Reduced Module Form Factor Triples Memory Capacity and Improves
Bandwidth by 57 Percent Over Standard Registered Modules
BOISE, Idaho--(Business Wire)--
Micron Technology, Inc. (NYSE:MU) today announced that it has produced the
industry`s 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, Micron`s LRDIMMs provide the option to support higher data
frequencies and significantly increase memory capacity. 

The new LRDIMMs will be manufactured using Micron`s leading-edge 1.35-volt,
2-gigabit (Gb) 50-nanometer DDR3 memory chips, allowing the company to easily
and cost-effectively increase server module capacity because of the chips`
high-density and industry-leading small die size. Micron`s 2Gb 50nm DDR3 product
is currently in qualification with customers and is ramping toward high volume
production. 

Most midrange enterprise servers today utilize approximately 32GB of DRAM per
system but this is expected to more than triple by 2012, according to a recent
report from Gartner, Inc. (May 2009). With server manufacturers continuing to
take advantage of multi-core processors and data centers opting for efficient
virtualization technology, memory requirements are being driven ever higher. By
increasing the available memory a server system has, it is able to run more
programs concurrently, handle larger data files more efficiently, and generally
exhibit better overall system performance. 

Micron`s LRDIMMs currently use Inphi`s 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. Micron`s new LRDIMMs reduce
this load by 50 percent for a dual-rank module and 75 percent for a quad-rank
module, when compared to today`s standard DDR3 server modules - registered DIMMs
(RDIMMs). By reducing the load on the bus, Micron`s 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. 

Today, using RDIMMs, a typical server system can accommodate up to three
quad-rank 16GB RDIMMS per processor. However, that same system can support up to
nine quad-rank 16GB LRDIMMS per processor, pushing the memory capacity from 48GB
to 144GB. Measuring performance levels, Micron`s 16GB LRDIMM offers an increase
of 57 percent in system memory bandwidth, when compared to an RDIMM. And as
server power consumption continues to be a top concern for customers, Micron`s
LRDIMMs will also operate at the industry`s lowest 1.35-volts. 

"With the rise in virtualization, our new 16GB modules allow customers to easily
expand their memory capacity. While traditional RDIMMs limit the amount of
memory that can be accommodated due to their loading profile, LRDIMMs eliminate
that problem by reducing the module load," said Robert Feurle, vice president of
DRAM marketing at Micron. "And because our LRDIMMs are designed using Micron`s
new low-power 2Gb-based 50nm DDR3 chips, which reduces module chip count, we are
providing customers with a more cost-effective and efficient means to scale
server memory capacity and performance, while also reducing the power levels." 

"Adoption of this approach to memory technology will further enable server
virtualization and cloud computing," said Paul Washkewicz, vice president of
marketing at Inphi. "This technology delivers the much needed higher bandwidth
and memory capacity demanded by data center servers." 

"As the leading supplier of low power memory interface devices such as AMB+ and
DDR3 register/PLLs, IDT is excited to once again leverage our industry-proven
technology and expertise into this new class of memory buffers targeting DDR3
LRDIMMs," says Mario Montana, vice president and general manager of the IDT
Enterprise Computing Division. "We are pleased to work with Micron and our
ecosystem partners to enable innovative solutions for the high performance
computing market." 

Product Availability

Micron is currently sampling an 8GB LRDIMM with select enablers. Mass production
of its 16GB LRDIMMs is expected to begin in 2010. 

Relevant Links

There are other ways to stay up-to-date on Micron news:

* Micron Innovations Blog: www.micronblogs.com
* Micron on Twitter: http://twitter.com/microntechpr
* Micron RSS: www.micron.com/about/news/rssfeeds/aspx

About Micron

Micron Technology, Inc. is one of the world`s leading providers of advanced
semiconductor solutions. Through its worldwide operations, Micron manufactures
and markets DRAMs, NAND flash memory, other semiconductor components, and memory
modules for use in leading-edge computing, consumer, networking, and mobile
products. Micron`s common stock is traded on the New York Stock Exchange (NYSE)
under the MU symbol. To learn more about Micron Technology, Inc., visit
www.micron.com. 

Micron and the Micron orbit logo are trademarks of Micron Technology, Inc. All
other trademarks are the property of their respective owners.

This press release contains forward-looking statements regarding the production
of Micron`s LRDIMMs and 2Gb 50nm DDR3. Actual events or results may differ
materially from those contained in the forward-looking statements. Please refer
to the documents the Company files on a consolidated basis from time to time
with the Securities and Exchange Commission, specifically the Company's most
recent Form 10-K and Form 10-Q. These documents contain and identify important
factors that could cause the actual results for the Company on a consolidated
basis to differ materially from those contained in our forward-looking
statements (see Certain Factors). Although we believe that the expectations
reflected in the forward-looking statements are reasonable, we cannot guarantee
future results, levels of activity, performance or achievements. We are under no
duty to update any of the forward-looking statements after the date of this
press release to conform to actual results.

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Micron Technology, Inc.
Kirstin Bordner, 208-368-5487
kbordner@micron.com



Copyright Business Wire 2009

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