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Thread: News - ST-MRAM hits the market, damn expensive but damn fast

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    News - ST-MRAM hits the market, damn expensive but damn fast

    How does 400,000 IOPS per chip sound to you?
    Read more.

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    typically offers 800 to 3,000 IOPS per module
    That surprised me, I would have thought RAM would need to be really high even at current day speeds. Learn something new everytime I come here

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    the 800 to 3000 IOPS relates to flash memory rather than RAM I believe (if I'm reading it right) but it is a massive jump!!

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    Micron are also shipping an alternative to NAND; phase change memory: http://www.micron.com/products/phase-change-memory

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    I can see this blurring the border between RAM and a HDD.. Interesting times


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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    Quote Originally Posted by MaddAussie View Post
    I can see this blurring the border between RAM and a HDD.. Interesting times
    Yeah, once HDD catch up to RAM in access speed, is there any real need for RAM anymore?

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    Interface and latency immediately spring to mind, you can't have system RAM on SATA or something, and latency through any current desktop storage interface is still miles higher than to system memory.

    But in theory, with significant architectural changes, and if NVRAM matches DRAM in performance, durability and latency, and matches existing storage technologies in price, then it's possible to have just one memory system. I'm not holding my breath though.

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    I reckon in the future we'll just use flash memory (or an alternative like this) as a storage device and partition a certain amount to act as ram...

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    If you have ram with nand storage then you woudn't really need an ssd.

    Has anyone tried to calculate what process size and wafer size would make nand as cost effective as hdd are now or would be against projected hdd advancements.

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    NAND is not a suitable replacement for DRAM, not least because of its very high latency vs DRAM (orders of magnitude) and limited write durability, which will only get worse with smaller nodes. Also remember HDDs continue to offer better value so they're not a static target; NAND might reach the price/GB HDDs are at now a few years down the line, but HDDs will also be significantly cheaper by then.

    IMO NAND is an important stopgap until we get technologies like this article mentions, but as several large companies are already saying, it has a limited future. It's simply not a suitable replacement for HDDs in some scenarios.

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    Quote Originally Posted by watercooled View Post
    ...but as several large companies are already saying, it has a limited future. It's simply not a suitable replacement for HDDs in some scenarios.
    I don't suppose these "several large companies" include Western Digital by any chance
    Of course I'm perfect you just need to lower your expectations.

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    Not sure, but they include MS IIRC. There's not really any reason to doubt it though if you look at the details TBH; limited write cycles which will only continue to get worse as process shrinks to improve price/capacity, etc...
    Last edited by watercooled; 15-11-2012 at 04:38 PM.

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    This would be wonderful for a lot of people. Power goes out? No problem since nothing in the RAM would have been lost you could be back to work in a couple of seconds.

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    Re: News - ST-MRAM hits the market, damn expensive but damn fast

    You'd still have to consider CPU states and cache, which are volatile ATM, but it should be possible to quickly flush them to RAM on power fail with a capacitor, like some SSD's do now.

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