#NAND flash technology has been adopted at a clip far faster than anything else in the pokey, snail's pace world of storage technology. There are a number of reasons for NAND's meteoric rise, but it's mainly because flash technology is showing up in nearly every storage product sold these days for one reason: pure speed. Early on, because it was the priciest storage medium on the market, storage vendors found clever ways of tapping a relatively small amount of flash to noticeably crank up performance -- enough so, in some cases, to remove storage as the perennial performance bottleneck. Having significantly revved up storage performance, storage users wanted -- what else? -- more performance. Greater demand and increased production helped take some of the air out of inflated flash prices and, before you noticed, all-flash storage arrays were flying off showroom floors.
http://searchstorage.techtarget.com/opinion/NAND-flash-technology-is-just-the-beginning
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