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[Official] Samsung SSD750/830/840/850 Owners Club - Page 130

post #1291 of 5733
Quote:
Originally Posted by eno439 View Post

so i got my ssd on ahci the first number on ssh says ok but the other number under it says bad how do i fix that? thank you

http://www.overclock.net/t/1226963/how-to-properly-re-align-your-ssd-hdd-partitions
post #1292 of 5733
Quote:
Originally Posted by RhoXS View Post

I have been using a 128 GB Samsung 830 for almost a year with an ASUS P8P67 Pro Rev 3.1. The 830 is connected to a native P67 6.0 gray Gb/s port. There are devices connected to the 3.0 Gb/s controller but nothing else is connected to the 6.0 Gb/s controller. The Marvel 6.0 Gb/s controller is disabled. Op system is 64 bit W67, clean install when installed 830 last January. CPU is a i7 2600k overclocked to 4327 GHz (it is stable at about 4.5 but intentionally run slower for more stability margin and lower temps).
Why then are my bench marks below so dismal?
Ran bench marks after reboot and in safe mode with no real difference.
Any suggestions about something I might be missing would be appreciated.

As it turns out there is no problem. The benchmark above is the result of the overhead imposed by Truecrypt. I un-encrypted the drive and the reasonably acceptable results are shown below.

post #1293 of 5733
I see a lot of people reporting that their SSD performs bad.
First: Do not use the "msahci" driver unless you have to. it is slow, bad, and "ugh". Get the driver provided by your motherboard vendor.
Second: Benching it too often just wears it out.
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post #1294 of 5733
A while ago I picked up a 128GB 830 for my desktop, and moved my Mushkin for my Windows install so that I can keep some of the data I am working on temporarily on the SSD, which greatly speeds up reading/writing.
I also just stuck a 250GB 840 (non-pro) in my laptop to replace a 120GB Intel 320. Boot times are a little quicker, but again the biggest advantage (and my reason for upgrading) is simply more space.
As for benchmarks, hdparm (a Linux tool that does many things including timing sequential reads) consistently gives me 505 MB/s reads for the 840, and 490 MB/s for the 830. I have yet to go through the Phoronix benchmarking tools to see what else I can test in Linux.
 
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post #1295 of 5733
I have a quick question for you all.

I was intending to order an 830 128 but accidentally ordered an 840 120 instead. I was wondering whether it's worth returning it for a more expensive 830 or whether I should just keep it. The first two months the SSD will be in my two year old laptop, after which it will go in my desktop.

Reading the following link I'm a little worried but I am sure I won't actually use the SSD for that long as I would like to replace it with something larger when I have more money and I have replaced my CPU with an FX8350.
http://www.anandtech.com/show/6459/samsung-ssd-840-testing-the-endurance-of-tlc-nand

Some clarification:
830's Are becoming harder to get since Samsung have taken them out of production. With more expensive I mean 100RMB, which converts to 15USD. Do remember that a direct conversion isn't possible due to cost of living, etc.
Edited by Liranan - 12/7/12 at 9:22pm
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post #1296 of 5733
Quote:
Originally Posted by Liranan View Post

I have a quick question for you all.
I was intending to order an 830 128 but accidentally ordered an 840 120 instead. I was wondering whether it's worth returning it for a more expensive 830 or whether I should just keep it. The first two months the SSD will be in my two year old laptop, after which it will go in my desktop.
Reading the following link I'm a little worried but I am sure I won't actually use the SSD for that long as I would like to replace it with something larger when I have more money and I have replaced my CPU with an FX8350.
http://www.anandtech.com/show/6459/samsung-ssd-840-testing-the-endurance-of-tlc-nand
Some clarification:
830's Are becoming harder to get since Samsung have taken them out of production. With more expensive I mean 100RMB, which converts to 15USD. Do remember that a direct conversion isn't possible due to cost of living, etc.

I think you should just keep it. And enjoy unless you think you will be using it heavy usage for 7 or more years. So far I have changed SSD's every year or two. You will likely want something new before the TLC has any issues.
 
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post #1297 of 5733
I got a 840 Pro 256GB and a 830 128GB. This week, I guess OSX didn't or doesn't align drive properly. Also 840 Pro runs much better after deleting the Intel driver.



 
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post #1298 of 5733
Quote:
Originally Posted by UNOE View Post

I think you should just keep it. And enjoy unless you think you will be using it heavy usage for 7 or more years. So far I have changed SSD's every year or two. You will likely want something new before the TLC has any issues.

It depends on how much data any OS writes to an HD. I mean I hear my HD moving a lot but is there a way to measure how much data is written?
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post #1299 of 5733
Quote:
Originally Posted by Liranan View Post

It depends on how much data any OS writes to an HD. I mean I hear my HD moving a lot but is there a way to measure how much data is written?

Samsung drives report the amount of Host Writes in S.M.A.R.T.(at least it did for my Samsung 830). The Samsung 840 120GB should be good for 120TB writes and that's a conservative estimate. That's around 65GB NAND writes per day for 5 years or 110GB NAND writes per day for 3 years. Even power users tend to write an average of only 10GB per day.
Edited by rui-no-onna - 12/8/12 at 6:37am
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post #1300 of 5733
Quote:
Originally Posted by Sean Webster View Post

let it idle over night, possibly longer and run the bench with prime 95 running on one thread during the same time.

Hmm, waited almost 2 days. Had some mixed results:




Sequential and 4k writes improved a bit, but multi threaded dropped off a bit. Not sure if that's a side effect of having prime95 running or what. Going to give it another few days. Part of me is worried that running the Optimizer function of Magician on my drive messed something up since it's formatted in GPT. But I checked with gDisk and all 4 partitions look fine.
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