Low speeds on SSD.

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julio_3

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Dec 23, 2015
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Recently bought a older samsung SSD for my old optiplex 390. The problem being that the read/writes are kinda low and same with the 4K-64Thrd reads/writes. The ssd is a Samsung 830 MZ-7PC128D. Its on a SATA 3.0 6gbs/s port. Not sure how to fix this, and thats why im posting this on here. Any help will be much appreciated.
http://imgur.com/a/v2NDN
v2NDN
 
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photonboy

photonboy

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Jun 20, 2006
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1) Hmm... not sure. I saw one page show you should get about 740 Total which could be correct as my 840 EVO gets just over 1000.

2) REAL WORLD usage probably won't be noticeably better though even if you got it to speed up.

3) You can try installing SAMSUNG MAGICIAN and do two things:
a) see if it detects a firmware update to apply to the SSD, and
b) enable RAPID MODE

RAPID MODE uses some of your system memory as a cache. It's really only needed for heavy usage since you already have some onboard SSD cache. If you use Rapid Mode benchmarks are now completely useless as well since it ends up using the system memory which isn't what happens as said unless you have heavy usage.

Anyway, I'll try to think of something but again I've tested different SSD's and often don't notice the difference.

*OTHER*
Not all SATA controllers work as well. If you have an AMD motherboard then performance is usually noticeably worse than on an Intel motherboard. Your results seem too low even for that though so not sure.
 
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photonboy

photonboy

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Jun 20, 2006
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Update:
Appears to be an Intel chipset, though it's possible that the BIOS support isn't great and that the SSD has been downgraded to SATA3gbps mode. Again, not all SATA controllers are equal which could explain the significant loss of performance at times.

Again though, real-world experience probably isn't affected much. I had to temporarily use an older OCZ Vertex which was at best 4x lower performance than my Samsung but after cloning and booting to it and using while my SSD was RMA'd for a few weeks I noticed no obvious difference in usage. Probably because the bottleneck was often elsewhere, and also that much of the Windows data gets buffered into the system memory (i.e. DDR3).

Other:
I'm not sure if CLONING vs clean install can affect performance of an SSD.

Other:
Sometimes a newer BIOS version can help. I doubt it since it appears the last update was 2013. That may explain the lower performance though since many older motherboards had issues with SSD's getting good performance.

Other:
Windows version?
It's possible Windows 10 might work better than Windows 7. Not certain about that though.
 
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photonboy

photonboy

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Jun 20, 2006
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You said it was a SATA3 6gbps port, but being a 3gbps port would make more sense.

Anyway, as you've read by now real world performance differences are simply not that obvious. It's a big jump from an HDD for boot and program loading but then it's diminishing returns as SSD's get faster.

I would still go ahead and install Samsung Magician then enable Rapid Mode. It doesn't eat up any system memory unless it decides it needs to use it as a buffer, and if that's the case you would benefit. Probably won't make a difference, but really can't hurt either.

Samsung Magician is under the "Consumer SSD" section at the top. http://www.samsung.com/semiconductor/minisite/ssd/download/tools.html
 
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