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Yesterday, Micron and Intel announced their 8 gigabit (Gb)
single-level cell (SLC) high speed NAND product. Micron said that manufacturers
already test the technology and the mass production could be started as early
as this summer.
The new high speed NAND can reach speeds up to 200 megabytes
per second (MB/s) for reading data and 100 MB/s for writing data, achieved by
leveraging the new ONFI 2.0 specification and a four-plane architecture with
higher clock speeds. In comparison, conventional single level cell NAND is
limited to 40 MB/s for reading data and less than 20 MB/s for writing data.
"With the new capabilities designed into high speed
NAND, the performance benefits will be visible to the consumer, allowing them
to experience a faster way of transferring digital content between devices such
as computers, digital cameras, MP3 players and cell phones," said Bill
Lauer, senior director of marketing for Micron's memory group.
The new discovery could lead to the development of faster SSDs (solid state
drives). SSDs feature far greater reliability, faster boot times and faster
application start-up times than hard disk drives. SSD can also improve battery
life by up to 20 percent in notebooks. Although, with no moving parts,
the flash-based SSD starts working almost immediately to achieve far better
access speeds than a conventional hard disk drive. For example, in notebook
computers, data moves to and from an SSD more than 100 times faster than data
moving to and from a hard disk.
As a result, notebooks equipped with a SSD can boot
Microsoft Windows Vista Enterprise in less than a minute. Notebooks based on
SSDs are getting more and more attractive for consumers and PC makers.
Micron said it plans to integrate the new high speed NAND in
its RealSSD line, unveiled last year in November.
As a part of RealSSDs, Micron offers 1.8-inch and 2.5-inch
solid-state drives for notebooks and desktops, with 32Gbytes and 64Gbytes of
storage.
Micron said also that with the pending USB 3.0 interface,
high speed NAND is expected to effectively deliver on the increased data
transfer rates of the new specification, where conventional NAND would act as
the bottleneck in system performance. USB 3.0 is aiming for 10 times the
bandwidth of current USB 2.0 solutions, or approximately achieving 4.8 gigabits
per second.
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