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Samsung to unveil HHD prototype for Windows Vista

Posted: 23 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Sean Shim? Samsung? hybrid hard disk? NAND-based flash memory?

Samsung Electronics Co. Ltd said it will unveil the first commercial prototype of a hybrid hard disk (HHD) that combines NAND-based flash memory with rotating magnetic storage. The drive is aimed at notebooks and will support the Windows Vista operating system.

According to Samsung, the hybrid storage device leverages the benefits of both magnetic and solid state storage without compromising the cost of the computer housing it. The company claims the hybrid drives boots or resumes up to twice as fast as conventional hard disk drives, lasts 20 to 30 minutes longer on battery and is up to five times more reliable.

The HHD eliminates the need for the hard disk to constantly spin whenever a computer is operating on battery power, and is less susceptible to damage from jarring or being dropped since it is idle most of the time, Samsung said. Whenever the cache is filled, the rotating drive spins to flush out or transfer data from the cache, spinning a few seconds every 10 to 20 minutes.

In addition, the Samsung HHD architecture uses OneNAND flash with 108MBps read and 18MBps write data-rates. The drive incorporates a silicon-on-chip that supports 3.0G Native Command Queuing SATA and a OneNAND interface, the company said. The HHD saves 8 to 25 seconds of boot-up time and extends battery life by about 8 to 10 percent, depending on the computer.

Samsung will offer the drive in cache densities of 128Mbytes or 256Mbytes. Samples of the drive will be available starting mid-year, with volume shipments to begin next January.

- Sean Shim
EE Times

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