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Samsung offers new 2.5-Inch HDDs Featuring PMR Technology


Friday, November 17, 2006 Samsung Electronics is offering a 2.5-inch hard disk drive targeting notebook and enterprise computing applications with the introduction of the powerful new M80 SATA series and M80 series.

Both series utilize advanced perpendicular magnetic recording (PMR) technology, feature an optional free-fall sensors and offer increased storage capacity, now up to 160GB.

The M80 SATA series features the 80GB HM080HI, the 120GB HM120II and 160GB HM160JI. The M80 series includes the 80GB HM080HC, the 120GB HM120IC and the 160GB HM160JC.

The M80 SATA series and M80 series are the company's first hard drives based on PMR technology. Unlike traditional longitudinal recording technology, which lays data bits end to end where they can flip and corrupt data on the disc, PMR technology places the data bits perpendicular to the disc, which reduces the corruption factor. In addition, by placing the data bits standing on end, more data can fit onto a disc, allowing for greater storage capacity. With PMR technology, users can fit up to 40,000 MP3 songs and 160 hours of video on a 160GB drive.

The company's newest 2.5-inch drives offer users increased damage risk protection by incorporating free-fall sensors. Many notebook hard drives on the market today have an operating shock tolerance -- the amount of shock the drive can take before damage -- up to 325G. The new drives with the free-fall sensor provide a 700G of operating shock tolerance. Hard drives enabled with the free-fall sensor are better able to detect changes in acceleration caused by a freefall. The free-fall sensor parks the drive¡¦s head on the ramp and turns the hard drive off, protecting it from damage caused in a fall. This offers a dramatic increase in reliability and resistance to hard drive damage caused in the event of a fall.

Unlike much of its competition, the free-fall sensors are located on the hard drive, not the notebook's motherboard. The added benefits of this on-board integration include faster response time in the event of all fall, an improvement in the quality of fall detection, and a smaller minimum fall detection rate of just 30cm.

Targeted for mobile computing needs as well as enterprise applications, the M80 SATA series and M80 series feature a 8MB of onboard data cache and 5,400rpm spindle speed. The new hard drives provide shock protection capability through an advanced mechanical platform and able-bodied cover design engineered to minimize the intensity of external shock transmitted to the most critical components of the drive.

By: DocMemory
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