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Mod Edit: Samsung SSD Optimization Utility for Surface Pro 3 now available.
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SP3 SSD, possible firmware bug, same as just fixed in another Samsung drive.
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Anonymous
I've just had to update the firmware in another device that had a Samsung 840EVO SSD because they had a serious firmware bug with it. Out of curiosity I tested the Samsung drive in my Surface Pro 3 and it looks like it has exactly the same issue (the SP3 drive is closely related to the 840 series I believe, but an OEM version.
The test is simple, just look at the read rate across the drive. Older data (OS, installed apps) suffered from terrible read performance after a month or so. Newly written data is fine.
As you can see, much of the drive is down to 50MB/s now. It should be a fairly level line right the way across at about 350+MB/s. This test was run with AC power connected and nothing else running.
If this is the same issue as the 840EVO, the good news is it can be corrected with a firmware update and refresh of the data. Bad news would of course be Microsoft need to look into it first, then get the Samsung engineers looking into it.
Perhaps some other people could run the test too, and post results. Remember the drive needs to be a month or more old, so that the data can have been sitting there only being read during that time.
Further details of the bug and the fix that Samsung released can be found here:
Surface | Surface Pro | Install and update
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Anonymous
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Anonymous
2015-08-15T13:20:21+00:00 Makes sense, given what I've read in SSD articles (& HDD ones for that matter) at Anandtech over the years.
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Anonymous
2015-08-16T11:33:34+00:00 Yes, but that is not what is being questioned here. What is the plan to address what has apparently been identified as a problem with this SSD implementation? It does make sense that a lower power
mode may sacrifice performance, but is there evidence that correlates all the reported performance issues in this thread to power mode changes?
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Anonymous
2015-08-16T12:32:57+00:00 What the graph shows is what typically happens w/SSD, higher perf. when on A/C, lower when not.
I know there's a performance problem, I'm not questioning that...
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Anonymous
2015-08-16T12:53:01+00:00 What the graph shows is what typically happens w/SSD, higher perf. when on A/C, lower when not.
I know there's a performance problem, I'm not questioning that...
The SSD in question (my SSD in this case) had the Samsung FW upgrade and repair overhaul talked about earlier in this and other threads. This overhaul showed a significant stabilisation and performance increase in read-write activity of the drive. Thus a more pleasant and more responsive operable Surface Pro 3 as well as on AC power as on battery.
It only struck me that when on AC the performance of the SSD rose compared to being used on battery power.
Regards !