sblantipodi

Samsung 950 PRO NVMe M.2 drive boots slower than older SSD.

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Hi,

my atto/crystal disk mark benchmark are fine, I can read 2500MB/sec and write 1500MB/sec but the boot time are slower on my Samsung 950 PRO SSD than on my older Corsair Force GT 240GB.

How this could be possible?
I don't expected too much improvements but worse boot performance neither.

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What part of the boot stage is longer? Is it part of the section where the BIOS detects the drive?

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What part of the boot stage is longer? Is it part of the section where the BIOS detects the drive?

no, this is the strange things.

the detection phases requires the same time, more or less.

the longer time is experienced in windows loading (I have a lot of programs at start).

in any case with the same software corsair force gt is faster to load,

the windows installation is the same since I cloned the corsair force gt installation on the samsung drive.

very strange...

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The cloned part might be the issue. Have you tried a clean install?

I will try it if you say to do it.

I cloned the drive using samsung data migration tool.

that tool should clone the entire drive no problem, it should not affect performance.

your suggestion is to format the drive?

thanks!!!

Edited by sblantipodi

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I would start fresh in every way. Wipe the SSD and install Windows from scratch.

Just make sure data is backed up and in a safe place before starting!!

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I'll try it. thanks.

I have done a fresh install once backed up the old one.

Before installing with a fresh install I have done a secure erase with magician software from samsung.

IOPS remains the same and the boot time is slower than my SATA SSDs.

magician.JPG

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Yea part of what I'm getting at is its not a "speed" issue with the SSD, but instead driver or initialization during boot that is causing the delay. Comparing SATA to SATA you won't see this, but introducing a different communication type into the mix can cause some delays.

Some of my fastest servers have the longest boot times. So many option ROMs to load up during POST.

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