Scientists in Japan have developed a new form of flash memory which promises much longer lifetimes, can be operated at lower voltages, and can be fabricated on smaller transistor sizes. The new devices also run at a different voltage from ordinary flash; 6V instead of 20V
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How many "writes" does current flash memory usually allow? Anyone know?
In the article it says "current NAND products are typically rated in the tens or hundreds of thousands of cycles".
According to http://en.wikipedia.org/wiki/Flash_memory#Limitations
"most commercially available flash products are guaranteed to withstand 100,000 write-erase-cycles for block 0, and no guarantees for other blocks"
So this is a huge improvement over that and an evolution of sorts in flash memory. We already have flash mp3 players and the like.. Eventually, we'll have flash memory in place of hard drives. Exciting.
Thanks! At the moment, I've only got flash USB sticks and the memory in my digital camera, but both are fantastically convenient... dang, now I've got the Flash Gordon theme in my head!
Yeah, I use SD cards a lot. They are pretty handy and now that they are getting up in the gigs as far as memory space is concerned they are even more useful than before. I just bought a palmpilot and I have a nice fat 2gig SD card ready to save all my Anki decks onto for use on the trains. Very fun!
Flash is certainly a nice emerging technology. It still has a ways to go before it will be a solid replacement for the hard disk, though. Believe it or not, SSD's use more power than their hard disk-based equivalents. That said, the power consumption issue is being closed pretty quick.
I'd like to see more hybrid drives. Flash and disk. This way the main OS and applications will be snappy, and there will be ample space for long-term storage or data that's often written and deleted from the disk (Torrents, browser cache, etc.).
The voltage of this memory is dropping down, so though they didn't say what kind of energy resources it would need, it leads me to believe that it would be some what lower than what it is today. Eventually we will have ssd that have a far longer shelf life than hdd, maybe not in a year or 5, but soon. That will be awesome.