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SSD delivers 355MBps read throughput

Posted: 07 Dec 2009 ?? ?Print Version ?Bookmark and Share

Keywords:solid-state drive? SSD? serial ATA NAND flash?

Micron Technology Inc. launches what it claims to be the fastest solid-state drive (SSD) for notebook and desktop PCs. The RealSSD C300 drive enables users to enjoy a more powerful and responsive computing experienceincluding faster OS boot and hibernate times, and speedier application load, data transfer and file copying.

"The C300 SSD not only delivers on all the inherent advantages of SSDsimproved reliability and lower power usebut also leverages a finely tuned architecture and high-speed ONFI 2.1 NAND to provide a whole new level of performance," said Dean Klein, VP of memory system development at Micron.

Benchmark tests show that the C300 SSD is already the fastest PC SSD leveraging the industry standard SATA 3Gbit/s interface. However, SSD performance is further boosted by natively supporting the serial ATA 6Gbit/s high-speed interface.

This means that the data path between the host computer and the SSD is twice as fast as the previous SATA 3Gbit/s interface. While some drive architectures require a trade-off between throughput-sensitive and I/O per second-sensitive data streams, Micron's core design and higher speed interface provides advantages for both. The C300 SSD leverages the SATA 6Gbit/s interface to achieve a read throughput speed of up to 355MBps and a write throughput speed of up to 215MBps. Using the common PC Mark Vantage scoring system, the C300 SSD turns in a score of 45,000 from the HDD Suite.

"Hard drives gain little performance advantage when using serial ATA 6Gbit/s because of mechanical limitations," said Klein. "As a developer of leading-edge NAND technology, along with our sophisticated controller and firmware innovations, Micron is well positioned to tune our drives to take full advantage of the faster speeds achieved using the serial ATA 6Gbit/s interface."

The RealSSD C300 drive leverages Micron's established 34nm MLC NAND flash memory, allowing the company to provide a cost-competitive, high-capacity SSD solution. Bringing another first to SSDs, Micron's 34nm MLC NAND supports the high-speed ONFI 2.1 standard, ensuring the NAND performance keeps pace with the faster serial ATA 6Gbit/s interface.

The drives will be available in 1.8-inch and 2.5-inch form factors, with both drives supporting 128GByte and 256GByte capacities. Micron is currently sampling the C300 SSD in limited quantities and expects to enter production in Q1 10.

For application notes on SSDs click here.

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