[Tom's Hardware] Samsung 970 EVO Plus SSD Review: More Layers Brings More Performance - Page 2 - Overclock.net - An Overclocking Community

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[Tom's Hardware] Samsung 970 EVO Plus SSD Review: More Layers Brings More Performance

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post #11 of 20 (permalink) Old 01-23-2019, 06:01 AM
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Newegg shopping to me is close to 100%cist if item. They charge like Urs being shipped from the Congo then states them here. Pricing I seen was bout $30 more then the wd new black for $249 for the 1tb

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post #12 of 20 (permalink) Old 01-23-2019, 02:50 PM
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This is just a great advertisement for the XPG, at $218 the savings make it definitely worth looking at.


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post #13 of 20 (permalink) Old 01-23-2019, 04:04 PM
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Is it really too much to ask for this level of performance in a 2TB model for $300? We already get that +/- $20 on sata versions, and the main thing holding speed back there is the sata interface itself. I hate that they charge so much extra just to get the interface that allows more speed.

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post #14 of 20 (permalink) Old 01-23-2019, 04:09 PM
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But random Q1 4K reads still suck compared to Intel....when is this finally going to change? For me its the only number that matters for daily desktop use and until now nobody can touch Intel's 900 series..

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post #15 of 20 (permalink) Old 01-24-2019, 08:03 AM
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Quote: Originally Posted by Abaidor View Post
But random Q1 4K reads still suck compared to Intel....when is this finally going to change? For me its the only number that matters for daily desktop use and until now nobody can touch Intel's 900 series..



That is simply because of NAND limitations. Optane drives get around those limitations because they are not NAND chips and were designed with extremely low latency in mind. That low latency enables extremely high levels of small IO, which enables high MB/s readings since it can shove so much more data per second from latency being so low. There are other technologies in R&D that may bring similar boosts like X-Point did for Optane drives, but they are still a ways out.

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post #16 of 20 (permalink) Old 01-24-2019, 08:08 AM
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Quote: Originally Posted by EniGma1987 View Post
That is simply because of NAND limitations. Optane drives get around those limitations because they are not NAND chips and were designed with extremely low latency in mind. That low latency enables extremely high levels of small IO, which enables high MB/s readings since it can shove so much more data per second from latency being so low. There are other technologies in R&D that may bring similar boosts like X-Point did for Optane drives, but they are still a ways out.
technically they could by caching the read with DRAM, just like how intel's SRT works.
but this has an enormous requirement in RAM capacity.

the key points to make it work:
* large onboard RAM - 16GB~32GB per TB NAND capacity
* dedicated SLC hold-in cache for high priority data (this is where the DRAM will fetch and dump the data)
* everything assigned as high priority data within the SLC cache will be loaded into the onboard RAM cache


edit: they could also use X-Point instead of RAM, this would also eliminate the need for a dedicated SLC cache.

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Last edited by epic1337; 01-24-2019 at 08:17 AM.
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post #17 of 20 (permalink) Old 01-24-2019, 08:18 AM
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There is Samsung's Znand and maybe micron if they ever release there quantex version of optane it's been 2+ years of vaporware micron needs to stop dragging its heels on there xpoint tech.

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post #18 of 20 (permalink) Old 01-24-2019, 09:15 AM
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If I'd be at Intel position I'd make manufacturing so efficient it would drop price of Optane to current MLC prices, and kill SSD NAND.

Samsung would lose profits, and Intel would gain significant footprint until SSD manufacturers would develop their own version, be willing to sell for low profits, and create worker less efficient manufacturing capacities.

Making old technology obsolete in few months was one of main advantages of HW industry. Looks like nowadays profits are more important than driving competition out of business, and continue to sell high quality for low price to prevent new competition to enter market.
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post #19 of 20 (permalink) Old 01-24-2019, 11:08 AM
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Wake me up Samsung when you drop a consumer Z-SSD. Or a pcie 4.0 SSD.

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post #20 of 20 (permalink) Old 01-24-2019, 11:45 AM
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Quote: Originally Posted by Raghar View Post
Looks like nowadays profits are more important than driving competition out of business, and continue to sell high quality for low price to prevent new competition to enter market.
This is what happens with mature markets with only a few suppliers (oligarchy). It is much more profitable, at least in the short term, to avoid competing with each other on price and keep the margins higher for everyone. A lot of the early behavior was attempting to become the leader for the future, now that we exist in those future stable markets the move to less competitive behavior and less innovation is expected.

Computer technology and business is a nasty mix. Computer tech is a natural monopoly; everything is easier/less work if everyone uses the same standards but the way IP laws work causes this market need for interoperability to create monopolies.
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