Samsung Electronics has begun shipping a flash memory-based solid state disk drive (SSD) that offers better performance than many of the flash drives currently available, the company said. The 64GB drive has a SATA II interface that can support data reading at speeds of 100M Bps (bytes per second) and writing at 80M Bps. That makes it 60 percent faster than SATA I drives of the same type and two to five times faster than conventional hard-disk drives, according to Samsung.
SSDs use flash memory rather than magnetic storage, which means faster reading and writing of data, lower power consumption and zero noise. They've been around for several years although it is only recently, after flash memory chip prices fell, that they have become practical for use in laptop computers.
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