Differences between the Samsung 840 & 850 EVO SSDs?

stockhausen

stockhausen

stockhausen

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I have a Gigabyte Z97X-SLI motherboard with a 2½" 120GB Samsung 840 EVO SSD as the system disk, I am running Windows 7 64-bit SP1.

I initially wanted to use a 120GB OCZ Vertex SSD as the system disk but having bought one I discovered that this would not work with this chipset - not particularly important but perhaps worth a mention.

I now want to replace the 120GB Samsung 840 EVO SSD with a 2½" 250GB Samsung 850 EVO and here is where it all seems to get horribly problematic. I understand that there may be two versions one is the regular drive (MZ-75E250) and the other is the "Pro" version (MZ-7KE256). I understand that there may be "issues" with the standard version but can't work out what the difference is - the Samsung website (LINK) isn't much help although it does mention that there are also mSATA and M.2 versions - which I don't care about at the moment.

Can someone who understands these things please tell me what the differences between the 840, 850 and 850 Pro are?

I gather that there may also be "issues" with Samsung's Data Migration and Magician software although I am happy to stick with Acronis TrueImage.
 
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The Pro is slightly faster and rated for more writes per day. Generally you're better off buying the cheaper Evo, and spending that money on getting a bigger drive. You'll always want to fill that storage, but you won't notice a fractional difference in speed.
 
Bought a 120GB 850 EVO - excellent - except for an issue with switching back and forth between Windows 7 & Windows 10.

It seems that Windows 10 doesn't actually shutdown altogether, it goes into some sort of hibernation state and doesn't dismount the disks. As a result, if you "shutdown" Windows 10 and then boot Windows 7, CHKDSK is run.
 
stockhausen said:
Bought a 120GB 850 EVO - excellent - except for an issue with switching back and forth between Windows 7 & Windows 10.

It seems that Windows 10 doesn't actually shutdown altogether, it goes into some sort of hibernation state and doesn't dismount the disks. As a result, if you "shutdown" Windows 10 and then boot Windows 7, CHKDSK is run.
Click to expand...

easy enough to change that. its just a setting in the power options
 
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