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Extreme Performance Drop after Reformat

Tags:
  • Performance
  • SSD
  • Storage
  • Windows 7
Last response: in Storage
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June 21, 2013 2:13:09 AM

I have an Intel 330 Series 180g SSD which had Windows 7 64-bit OS. I just dropped it in my new rig today and booted up just fine. I ran Crystal Disk Mark and got a nice 520/505 sequential read and write speed (much better than 250/250 on SataII).

My friend suggested I do a reformat, so I reinstalled Windows 7 and now I am getting 465/150 sequential read/write speeds. SSD firmware is up to date, all other notable updates have been installed. Does anyone know how this can be fixed? Thanks

More about : extreme performance drop reformat

June 21, 2013 3:36:07 AM

when you reformatted did you remember to go into your bios and makes sure the hd was set for achi? if not yull have to reinstall again to make sure its working properly
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June 21, 2013 4:11:52 AM

Yes, it is set to Ahci. Pretty much nothing was changed except run SSD Benchmark -> Reformat -> Reinstall updates/drivers -> Run Benchmark and the scores are horrible now. I also tried AS SSD Benchmark and same results
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a b G Storage
June 21, 2013 5:52:10 AM

Possibly the formatting options were somehow screwed up?
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June 21, 2013 5:16:48 PM

I will try formatting again using some guidelines/tips on other threads. Will update thread with results when finished.
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a c 104 G Storage
a b $ Windows 7
June 21, 2013 9:45:24 PM

Probably should not have formatted. If you try a format again, just do a quick format. This will trigger trim for the whole drive. An ssd optimization is probably what you should do instead of a format. Formats don't do much good with SSDs like they do with HDDs. Full formats are like writing over the whole ssd and now I'd bet you need an optimization. This will set all the free space for faster writes, etc.
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June 22, 2013 12:00:15 AM

The first time I "formatted" I simply clicked Install now on the Windows Installation setup whilst still inside Windows, which created a new instance of Windows 7 with Windows.old as backup. This is when I noticed the performance drop. I didn't officially format the drive during this time since it said to format and partition drive I had to boot from the CD (didn't have CD Drive hooked up at this time, was using USB copy).

I just finished using Parted Magic to Secure Erase my SSD and reinstalled Windows 7 fresh. Now my sequential read and write is 470/200. I still find this to be an issue considering I was at roughly 500/500...

Thank you for your responses so far. Hope I can find a solution.
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Best solution

June 22, 2013 12:10:07 AM
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June 22, 2013 12:17:16 AM

Hmm I guess there must have been an error in my reads before then. That is very strange since I ran multiple tests from two SSD benchmark programs and got the ~500/500 read/write. Others have also reported 500/450 read write which makes me skeptical.

But I guess I will take the official Intel info. Thanks for your help.

I'll take this as a faulty read on my end.
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June 22, 2013 12:27:21 AM

just make sure your bios is updated, the firmware on your ssd is updated, drivers are up to date, optimize the drive, and that's about it. You've already reforamtted and made sure you are in asci.
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