Difference in OS boot when OS is installed on COnventional SSD vs M2 950.

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an1m473dph33r

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So that M2 drive plugs into a PCIe 3.0 x 16 slot, but it can only use 4 of the 16 buses, so it can utilize speeds of 8GB/S. SATA3 used 6GB/s. So I'm not sure how much faster the OS will boot off the m2 950 SSD, vs a conventional SSD.
 
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an1m473dph33r

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This article helps me understand the difference in performance, it was extremely helpful. However i am still unable to glean a difference in boot speed of my OS on an M2 950, vs an SSD like the 850.
 
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USAFRet

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'Boot time' is a flawed metric. There are a LOT of other things that influence that other than various types of SSD.
 
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an1m473dph33r

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Could you elaborate on what these "other things" are?

 
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USAFRet

USAFRet

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Sure. Software, mostly.
1. The BIOS. Windows and the drive speed only counts after the BIOS is done doing whatever it does.
2. Whatever is in the stack of software that is started up. If you see someone that brags about a 7 second boot time, you also have to ask...'what applications are in your startup?'
Antivirus? Monitor auto-calibration? Fan controller? Those, and many other things.

Comparisons only count between identical situations. For instance, my system has a monitor calibration thing in the startup.
All else being equal, my system would 'boot' marginally slower than yours, because you do not have that running.

Same with AV. Your AV software might be slightly faster to start up than mine.
And I am not likely to remove those, just to brag about sub 7 second boot times.

If a different SSD means the difference between 20 seconds or 21 seconds, who cares. Which is maybe the difference between different types of SSD interfaces.

You have to compare two absolutely identical systems and software stack.
 
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JohnnyLucky

JohnnyLucky

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^5 +1 what USAFRet said.

There are simply too many variables for any generalizations about boot time.

I maintain an ssd database listed in a sticky at the very top of this forum section. I check over 100 web sites almost daily for ssd news and technical reviews. What I've noticed in a few reviews and user comments is that Windows 7 seems to load faster than Windows 10 and the Samsung 850 models seem to load Windows faster than the 950 Pro M.2. They were just a few comments and do not appear to be a hard and fast rule. When it comes to boot times, anything can happen.
 
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