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1 PCIe SSD or 2 SSD in RAID 0

post #1 of 10
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I was wondering if what's the benefit of a PCIe-based SSD like the OCZ RevoDrive 3 x2 480GB over 2 Samsung 840 PRO 256GB in RAID 0. Will the boot up time be faster than the 2 SATA-based SSD? Will loading times in games be faster? Thank you.
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post #2 of 10
Well, if you don't care about price.. go for the RevoDrive.

The RevoDrive has twice the amount of IOPS and upto three times the throughput.
And it also doesn't need to communicate with a SATA controller, which lowers latency.

Using RAID'ed SSDs will significantly increase the boot-time since the RAID-Software requires a few seconds to start when booting the computer.
The throughput will reach around 900-1000MB/s, but I don't think the IOPS will receive any kind of boost.

Loading times in games should improve dramaticly in both situations, IF you have fast enough RAM.
(DDR3 1600MHz should be plenty.)
Edited by Bloodcore - 5/4/13 at 8:06am
    
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post #3 of 10
PCI_E SSD solutions are way faster than any modern SSD via SATA 3. It goes beyond the bottleneck of SATA 2/3 and produces through puts well in excess of 1.5Gb/s read/write. It's essentially like having 4x ssd's in raid-0 in a single solution without the limitation of SATA 3 or having to buy an expensive dedicated controller.

Although these days 2 modern SSD's in raid-o on sata 3 is more than enough for anyone really. If you crave the absolute fastest SSD performance around then an OCZ Revodrive X2 would suffice. Bere in mind they are not cheap when you want capacity as well as speed.
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post #4 of 10
Quote:
Originally Posted by kaidome View Post

I was wondering if what's the benefit of a PCIe-based SSD like the OCZ RevoDrive 3 x2 480GB over 2 Samsung 840 PRO 256GB in RAID 0. Will the boot up time be faster than the 2 SATA-based SSD?
no, actually longer
Quote:
Will loading times in games be faster? Thank you.
similar, however should be faster... slightly
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post #5 of 10
Quote:
Originally Posted by Sean Webster View Post

no, actually longer
PCIe-SSD's actually require longer boot-times?
Odd, always thought they would shave off another second or two since the SATA-controller would be out of the equation.
    
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post #6 of 10
Revodrive is one bad,lousy,unreliable,incompatible raid field with asynchronous NAND that is way too slow for the price it has.
OCZ RevoDrive 3 x2 480 GB $696.63

Samsung 840 Pro 2 x 256GB Amazon.com $502.40



Revodrive have its own bios that have very long boot time.
post #7 of 10
I agree with Igor, the Revo drives are an on board RAID setup, which most likely does not support TRIM.

The main problem when using them is, not all mother boards allow you to boot from a PCIe device. My old socket 775 Intel made board let me boot from a PCIe card, but none of my ASUS boards or ASRock boards could boot from those devices. You must determine if your board allows booting from a PCIe device before considering a drive like that, because it is not a given.

Finally, next year the SATA Express standard is being released, a SATA standard over a PCIe connection. There will be a new generation of SSDs using this interface, and the current Revo drives are not compatible, and will be history.
post #8 of 10
Thread Starter 
Quote:
Originally Posted by Unit Igor View Post

Revodrive is one bad,lousy,unreliable,incompatible raid field with asynchronous NAND that is way too slow for the price it has.
OCZ RevoDrive 3 x2 480 GB $696.63

Samsung 840 Pro 2 x 256GB Amazon.com $502.40



Revodrive have its own bios that have very long boot time.

I remember some guy from NewEgg saying that the reason they only get that kind of speeds is because the link of the PCIe slot the SSD is in is in only x1 and not x4. Is this true?

Quote:
Originally Posted by Mhill2029 View Post

PCI_E SSD solutions are way faster than any modern SSD via SATA 3. It goes beyond the bottleneck of SATA 2/3 and produces through puts well in excess of 1.5Gb/s read/write. It's essentially like having 4x ssd's in raid-0 in a single solution without the limitation of SATA 3 or having to buy an expensive dedicated controller.

Although these days 2 modern SSD's in raid-o on sata 3 is more than enough for anyone really. If you crave the absolute fastest SSD performance around then an OCZ Revodrive X2 would suffice. Bere in mind they are not cheap when you want capacity as well as speed.

Got it. So 2 840 Pros will be enough for me then?
Quote:
Originally Posted by Sean Webster View Post

no, actually longer
similar, however should be faster... slightly

So the load time for games will only be slightly faster? If so, am I good to go with 2 840 Pros?
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post #9 of 10
Quote:
Originally Posted by parsec View Post

I agree with Igor, the Revo drives are an on board RAID setup, which most likely does not support TRIM.
it does
Quote:
Finally, next year the SATA Express standard is being released, a SATA standard over a PCIe connection. There will be a new generation of SSDs using this interface, and the current Revo drives are not compatible, and will be history.
I cant wait for it! biggrin.gif
Quote:
Originally Posted by kaidome View Post

I remember some guy from NewEgg saying that the reason they only get that kind of speeds is because the link of the PCIe slot the SSD is in is in only x1 and not x4. Is this true?
No, the speeds igor posted are from PCIe 2.0 x4. PCIe 2.0 x1 would only allow around 400MB/s, not the 700.

Quote:
Originally Posted by Sean Webster View Post

no, actually longer
similar, however should be faster... slightly

So the load time for games will only be slightly faster? If so, am I good to go with 2 840 Pros?[/quote]Pros in RAID 0 is what I'd do if I wanted to waste some cash. biggrin.gif

However, have you used an SSD before...SSD -> HDD is night and day already, running a RAID 0 array of SSDs is only marginally faster.
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by Sean Webster View Post

it does
I cant wait for it! biggrin.gif
No, the speeds igor posted are from PCIe 2.0 x4. PCIe 2.0 x1 would only allow around 400MB/s, not the 700.
So the load time for games will only be slightly faster? If so, am I good to go with 2 840 Pros?
Pros in RAID 0 is what I'd do if I wanted to waste some cash. biggrin.gif

However, have you used an SSD before...SSD -> HDD is night and day already, running a RAID 0 array of SSDs is only marginally faster.[/quote]

Oh. Going for 2 840 Pros then. Thanks all! biggrin.gif
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