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Read speeds dropping dramatically on older files; benchmarks needed to confirm affected SSDs - Page 86

post #851 of 862
Just tested my crucial M550.

Any thoughts on it?

It's used for sample streaming only in a music studio PC. Get's written to very rarely...but seems to be streaming slower than normal.....

.. 2016-03-2113.01.58ResultsforECrucialM500.png 40k .png file
post #852 of 862



BX200 240GB:
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post #853 of 862
Samsung PM851, 256GB

post #854 of 862
That is looking pretty rough,
 
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post #855 of 862
2 x Intel 520 240GB Raid 0, Ave 846 MB/s

post #856 of 862
Update on my 840Pro and 840Evo in the gaming rig.

840Pro





840Evo





I have done nothing to the drives since updating firmware ages ago. Not sure if more have come out since. Last one I did was intended to fix the speed drop off issue and appears to be working. The Pro is my OS drive and the Evo is my games drive. The game drive does not do a whole lot since games just get installed and sit for the most part.
 
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post #857 of 862
That is interesting. It appears to look good, but u kind of have to wonder what that spike outside of SATA 3 speed range is about...
post #858 of 862
Not sure. Just a bogus bit of data from the software is my guess.
 
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post #859 of 862
Well, I did another round, here is the update.

840Pro 256GB. Note that the drive has been partitioned down to make room for dual boot. I did reinstall Windows 10 a couple months back. So, that may have fudged the numbers around?



840Evo 1TB



Despite being very full, all drives seem to be working fine and really as good as they did new. That firmware update seemed to do the trick.
 
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post #860 of 862
Hi,

I don't want to blame anyone here but the test software seems to be faulty. I was searching for a tool to check my Samsung SSD's for the problem mentioned here. The first test i runned however was on a new SSD with a fresh install and my old data files dumped on it from the previous machine. And guess what it reported that there where where files on it which are reported as files over 2 years old. So this tool is not looking how long the files are on the SSD (and stale) but looking at the file creation date (or last access date) which has no real connection to how long the files are on the SSD.

I don't know any real answer to the problem how to determine how long the file are on the SSD (and stale) but this tool uses the wrong data and is in no way a reliable for the check you want to do unless you are sure you don't have files copied over from other systems and almost all files where created on the system itself.
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