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Samsung 830 Slow Writes (reads 505 writes 129)

post #1 of 23
Thread Starter 
I can't figure out what's wrong with my Samsung 830 256GB SSD. The reads are fine but the writes are pretty terrible for my SSD. I should be seeing roughly 400 MB/sec writes - and I have seen expected performance from this SSD in the past when I've BM'd the drive before. I noticed some stuttering when The Witcher 2 would autosave in the middle of a game, and I thought that was odd for my rig so I ran a BM and was not happy with my results. Any help/ideas would be much appreciated!

I've tried to include any applicable info, let me know if you need more. My sig is up to date.

Check this out:





AHCI is enabled in the BIOS.

It's a SATA III MOBO.

TRIM is on in Windows.

I tried "optimizing" the drive using Samsung SSD Magician (even though windows is set to do it automatically every week) and it made no difference.

I followed Sean's Windows 8 Install & Optimization Guide for SSDs when I installed Win 8.

My SSD has the latest firmware:



My drive isn't anywhere near full either:



I hope my SSD isn't cooked, I've been using it almost 24/7 (not any heavy writes that I know of, however) since August and it hasn't moved from the mounts on the bottom of my case (which hasn't left my desk) since I got it.

Hopefully you guys can help! smile.gif
     
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post #2 of 23
Just to throw this out there, did you run the Windows System assessment after you installed/used this drive? I had the same thing happen with my 830 and running that fixed it right up, I have no idea what settings it tweaks but it worked.
post #3 of 23
oh amd, nevermind.
Edited by Victor_Mizer - 1/22/13 at 4:15pm
post #4 of 23
Thread Starter 
Quote:
Originally Posted by Scorpion49 View Post

Just to throw this out there, did you run the Windows System assessment after you installed/used this drive? I had the same thing happen with my 830 and running that fixed it right up, I have no idea what settings it tweaks but it worked.

I did run it after the initial install and got the following results: (I installed Windows 8 about two months ago. Prior to that I was on Windows 7 and my benchmarks were fine. I always do a fresh/clean install of Windows, and always have since getting this SSD. I don't recall if I've ever run AS SSD BM on Windows 8 or not but I doubt Windows is causing this issue - especially since Win 8 has better compatibility for SSDs.)



I'll re-run the assessment and see if that helps, thanks for the suggestion.

I'll edit this post in a few and let you know what happens.

EDIT:

I re-ran the Windows System Assessment and got the same results from the assessment - including the primary hard disk:



I re-ran the AS SSD BM and got the same results:



Any other ideas? post-flame-small.gif
Edited by GanjaGeek - 1/22/13 at 4:28pm
     
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post #5 of 23
Quote:
Originally Posted by GanjaGeek View Post

I did run it after the initial install and got the following results:

I'll re-run the assessment and see if that helps, thanks for the suggestion.

I'll edit this post in a few and let you know what happens.

Its probably good then, I just thought of it right off the bat as I had that problem. I was losing my mind trying to figure it out.
post #6 of 23
Thread Starter 
Quote:
Originally Posted by Scorpion49 View Post

Its probably good then, I just thought of it right off the bat as I had that problem. I was losing my mind trying to figure it out.

I'll definitely keep that in mind if I ever have this issue in the future with a clean install. Thanks for the heads up thumb.gif

I'm going to be tearing my hair out until further notice, trying to figure out what the heck happened to my SSD thinking.gif
     
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post #7 of 23
Thread Starter 
I thought I might have figured out the cause of my issues, but I was wrong. mad.gif

Sean's Windows 8 Install & Optimization Guide for SSDs said:



So I went ahead and turned off "windows write-caching buffer flushing" on my C:\ drive.

I thought this might be the cause of my slow writes, so I went ahead and turned it back on, then rebooted.



I got the same bad results with it enabled - so this was not causing my issues. I've turned it back off per Sean's recommendation.
     
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post #8 of 23
Do you have any drive encryption enabled?



IDK if it is the same as windows 7 to convert back to the MS sata driver, but try this:

  1. Click Start
  2. In the Start menu, type Device Manager, hit Enter
  3. Click "IDE ATA/ATAPI Controllers"
  4. You will see AMD SATA Controller, Intel SATA controller, etc., right click and click "Properties"
  5. Go to the "Driver" tab
  6. Click "Update Driver"
  7. Click "Browse my Computer"
  8. Click "Let me pick"
  9. You will see the option to choose "Standard AHCI 1.0 Serial ATA Controller", click this and click "Next" and let it install
  10. Then reboot and try to install the new firmware for your drive now
post #9 of 23
Thread Starter 
Quote:
Originally Posted by Sean Webster View Post

Do you have any drive encryption enabled?


IDK if it is the same as windows 7 to convert back to the MS sata driver, but try this:

  1. Click Start
  2. In the Start menu, type Device Manager, hit Enter
  3. Click "IDE ATA/ATAPI Controllers"
  4. You will see AMD SATA Controller, Intel SATA controller, etc., right click and click "Properties"
  5. Go to the "Driver" tab
  6. Click "Update Driver"
  7. Click "Browse my Computer"
  8. Click "Let me pick"
  9. You will see the option to choose "Standard AHCI 1.0 Serial ATA Controller", click this and click "Next" and let it install
  10. Then reboot and try to install the new firmware for your drive now

I don't have any drive encryption enabled AFAIK. I didn't turn it on and I don't have anything that should have done so either.

You say "10. Then reboot and try to install the new firmware for your drive now" but Samsung SSD Magician says I have the latest firmware for my SSD when I tell it to download the latest. Should I skip this step and proceed with the others?

Thanks for getting back to me so quickly! thumb.gif
     
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post #10 of 23
Quote:
Originally Posted by GanjaGeek View Post

Quote:
Originally Posted by Sean Webster View Post

Do you have any drive encryption enabled?


IDK if it is the same as windows 7 to convert back to the MS sata driver, but try this:

  1. Click Start
  2. In the Start menu, type Device Manager, hit Enter
  3. Click "IDE ATA/ATAPI Controllers"
  4. You will see AMD SATA Controller, Intel SATA controller, etc., right click and click "Properties"
  5. Go to the "Driver" tab
  6. Click "Update Driver"
  7. Click "Browse my Computer"
  8. Click "Let me pick"
  9. You will see the option to choose "Standard AHCI 1.0 Serial ATA Controller", click this and click "Next" and let it install
  10. Then reboot and try to install the new firmware for your drive now

I don't have any drive encryption enabled AFAIK. I didn't turn it on and I don't have anything that should have done so either.

You say "10. Then reboot and try to install the new firmware for your drive now" but Samsung SSD Magician says I have the latest firmware for my SSD when I tell it to download the latest. Should I skip this step and proceed with the others?

Thanks for getting back to me so quickly! thumb.gif
Opps, I forgot to take that step off lol. I just copied the steps from my guide on if you are having issues updating your firmware. lol. It just makes you use the default sata driver. You can skip the firmware part, however you still need to restart.
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