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[Official] Samsung SSD750/830/840/850 Owners Club - Page 215

post #2141 of 5733
Quote:
Originally Posted by Unit Igor View Post

You can have these results on 4.5ghz and c-states disable:

But you would probably have to get rid of enterprise Intel RST 3.6 and install only 11.2. and if you already didnt do it flash modded OROM into bios so that TRIM works on X79 with Raid field.

I use RST, not RSTe, and have TRIM working on the RAID0 array. At a moderate OC such as 4.5GHz, no need to disable C-states that I'm aware of. Unless that alone makes the difference? It seems like a pretty big difference, too. Odd.

JML
post #2142 of 5733
Quote:
Originally Posted by JML10166 View Post

Howdy all,

Got around to benchmarking my 128GB 840 Pros in RAID0 now that I've reinstalled Win 7 and gotten a nice, stable overclock. How are these numbers, overall?



I am a touch peeved in that I get an error when I run the benchmark that stops it from performing one of the functions. Is there perhaps a setting I can adjust that is know to cause this problem?

Thanks,
JML

That glitch in AS SSD with Samsung SSDs is not unheard of, I've had that myself with new 830's. A reboot usually cures that problem, and once gone you won't see it again.

The improved benchmark scores with C States disabled is well known to SSD benchmark enthusiasts. The benchmark has very low CPU demand, and with C States enabled, the CPU cores will transition to the lower power use states, or stop executing instructions, in the deepest C State. Cores in that state won't stay there for long usually (relative to our perception of time), and apparently the time needed to transition in and out of the deep C States, which has a high system priority, adds up to the extent it can be noticed in I/O latency.
post #2143 of 5733
Thread Starter 
Updated. These drives have definitely ended up more popular than I expected. biggrin.gif
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post #2144 of 5733
Quote:
Originally Posted by Chunky_Chimp View Post

Updated. These drives have definitely ended up more popular than I expected. biggrin.gif
Yes,definitely.I also think,the reason why customers pull the trigger so fast,was endurance and good reputation of 830.
It was reason why i did it.
Edited by Unit Igor - 3/24/13 at 12:26am
post #2145 of 5733
Quote:
Originally Posted by Unit Igor View Post

Quote:
Originally Posted by Chunky_Chimp View Post

Updated. These drives have definitely ended up more popular than I expected. biggrin.gif
Yes,definitely.I also think,the reason why customers pull the trigger so fast,was endurance and good reputation of 830.
It was reason why i did it.
Same reason here. Fast, known and good rep. Still wish I waited for a 256GB 840 pro instead of a 128 non-pro.
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post #2146 of 5733
Quote:
Originally Posted by parsec View Post


That glitch in AS SSD with Samsung SSDs is not unheard of, I've had that myself with new 830's. A reboot usually cures that problem, and once gone you won't see it again.

The improved benchmark scores with C States disabled is well known to SSD benchmark enthusiasts. The benchmark has very low CPU demand, and with C States enabled, the CPU cores will transition to the lower power use states, or stop executing instructions, in the deepest C State. Cores in that state won't stay there for long usually (relative to our perception of time), and apparently the time needed to transition in and out of the deep C States, which has a high system priority, adds up to the extent it can be noticed in I/O latency.

Thank you for the GREAT information!

I ran the benchmark again with C-states disabled and got some improvements.



Since this is all relevant to the benchmark in particular, unless there is reason otherwise, I think am likely to keep C-states enabled in general.

Thanks again!
JML
post #2147 of 5733
Quote:
Originally Posted by Tarnix View Post

Same reason here. Fast, known and good rep. Still wish I waited for a 256GB 840 pro instead of a 128 non-pro.

I wish I'd bought the 250GB TLC one rather than this 120GB. I don't care about longevity but 120GB just isn't enough space sadsmiley.gif

Now when NAND prices have dropped again I'm definitely getting one and putting this in the laptop.
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post #2148 of 5733
Quote:
Originally Posted by Liranan View Post

I wish I'd bought the 250GB TLC one rather than this 120GB. I don't care about longevity but 120GB just isn't enough space sadsmiley.gif

Now when NAND prices have dropped again I'm definitely getting one and putting this in the laptop.

You might consider getting a 500GB one instead. I've seen prices drop to as low as $260 on the Samsung 840 500GB.
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post #2149 of 5733
So for 830 owner's is the Samsung SSD Magician 4.0 update worth the trouble upgrading? Any bad bugs or problems from 830 user's?
post #2150 of 5733
Okay,I have the 830 256gb version how much of a diffrence would I notice going to a raid of either two 830 512gb or two 840 500gb ssds for pure speed or not? I am a little cramped for space but am mostly interested in any possible performance differences.

(If I don't make sence just say so its 4am here)
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