Samsung EVO 850 120GB SATA 3 or 2?

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joeygw2

Reputable
Feb 12, 2015
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Hey guys!

I recently bought a new Samsung evo 850 120gb SSD, and so far I'm very pleased with it. There's one little problem though. Although I connected it to my motherboard where it says "SATA3", in Samsung Magician it says it is connected to a SATA 2 slot. And Crystaldiskinfo on the other hand report it IS connected to a SATA 3 slott (SATA 600).
Any way of confirming it is connected to a SATA 3 or 2 slot?

Joey
 
Solution
SuperSoph_WD


1. No, it shouldn't affect the performance of the SSD, however it's advisable to use the appropriate way of connecting your drives to the mobo, meaning the connections should be the same as the boot order. There are some motherboards that will boot from the first functional, OS-containing storage, regardless of the connections.
That's why we recommended you to put the SSD in the first available SATA (port 0). However, if port #0 is SATA 2, instead of SATA 3, then it's not worth the swapping and lowering the SSD performance. You should be perfectly fine using it as it is now.

2. And, yes, those results are...
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SuperSoph_WD

SuperSoph_WD

Glorious
Jul 30, 2014
6,758
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Hey, Joey!

I guess the best confirmation would be the benchmark results of the SSD's sequential speed.
If the read/write speed is above 300 MB/s, then it's definitely not plugged in a SATA 2 port. The maximum speed that a SATA 2 drive can obtain (~ 300 MB/s), whereas the SATA 3 can reach ~ 600 MB/s

Hope that helped! :)
SuperSoph_WD
 
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joeygw2

Reputable
Feb 12, 2015
15
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Thanks for the fast replies guys!

I have no clue whether it's connected to port 0 or 1, but above the connector on my motherboard it says 'SATA3 4_5'. I can also confirm it is in AHCI mode.
These are my read/write speeds in CrystalDiskMark. http://prntscr.com/6vyu9f

Are these results around average for my SSD or not? :c

Joey
 
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SuperSoph_WD

SuperSoph_WD

Glorious
Jul 30, 2014
6,758
3
45,960


1. No, it shouldn't affect the performance of the SSD, however it's advisable to use the appropriate way of connecting your drives to the mobo, meaning the connections should be the same as the boot order. There are some motherboards that will boot from the first functional, OS-containing storage, regardless of the connections.
That's why we recommended you to put the SSD in the first available SATA (port 0). However, if port #0 is SATA 2, instead of SATA 3, then it's not worth the swapping and lowering the SSD performance. You should be perfectly fine using it as it is now.

2. And, yes, those results are perfectly normal for SATA 3 connected SSD. :)

SuperSoph_WD
 
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