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[Engadget]SATA 3.2 standard finalized, promises faster and smaller storage - Page 4

post #31 of 34
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Originally Posted by jetsam View Post

i mean, eventually

well be able to get ram bandwidth with SSD's right?

RAM is about latency and bandwidth. Current NAND-based SSDs cannot match DRAM.

However, next-generation technologies like PRAM, ReRAM, etc can outperform DRAM while also being non-volatile. In a decade, you might stick 128GB SSD modules directly into your motherboard and not use RAM anymore!
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post #32 of 34
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Originally Posted by DuckieHo View Post

RAM is about latency and bandwidth. Current NAND-based SSDs cannot match DRAM.

However, next-generation technologies like PRAM, ReRAM, etc can outperform DRAM while also being non-volatile. In a decade, you might stick 128GB SSD modules directly into your motherboard and not use RAM anymore!

decade might be bit too conservative. more like more like in the next 4 years,
post #33 of 34
Quote:
Originally Posted by geox View Post

decade might be bit too conservative. more like more like in the next 4 years,

Doubtful. First we have to get things like ReRAM up to a point where we can produce it in large quantities for use in SSDs, this will take 2-4 years by itself and then we have to get that sort of tech in the pipeline for CPUs, which have a 2 year or so design to release timeframe, and then things have to start getting the market saturated. I would say a minimum time frame of 6 years for that sort of technology, with it likely being around 10 years. I cant remember the exact number, but Panasonic is the only company to produce ReRAM right now, and they are only doing it in something like 100MB quantities I think it was. We need to scale that density from 100MB per chip to 32,000MB per chip. That would get to the density to replace a normal SSD. Now to get it into a form factory around the size of a normal RAM stick we need to go with probably 64GB per chip densities because we wont be able to fit as many chips into a smaller form factory like a RAM stick. All this while maintaining long term reliability, speed, and cost. A desktop platform where the memory and storage along costs $500 per stick would not sell well in today's market, let alone in a decade when people want things cheaper and cheaper. The price per 128GB stick would have to be closer to $125 because it would gain popularity in the market.
Edited by EniGma1987 - 8/12/13 at 10:43am
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post #34 of 34
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Originally Posted by geox View Post

decade might be bit too conservative. more like more like in the next 4 years,

No way. How long did it take NAND-based SSDs to become mainstream? The first modern SSDs came out 2007/2008 and they are only now becoming mainstream. It took 5-6 years for NAND technology to reach mainstream. This is considering that fact that NAND Flash is mature and has been in mass production for 20 years.

Mass production/cost is going to be the biggest hurdle to any NAND and DRAM replacement technology. They have a 20+ year head-start.
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