M.2 SSD runing at SATA Speed??

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Ryan_282

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Feb 24, 2017
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Hey all,

Did a search but still not very clear about this.

I just get a new Kaby Lake CPU with Gigabyte Z270-D3H mobo (spec link below). I installed the Crucial MX300 525GB M.2 (2280) SSD. But various speed test shows 400-500MB/s read and write, which is similar to my other Crucial M500 connecting to a SATA. BIOS and Windows seems recognize the drive correctly, only BIOS says "No NVMe Device Found." I'm not sure if that's normal.

I'm wondering is that because the M.2 of this mobo is SATA based so it can only reach SATA speed? Or I'm not understanding this correctly? Do I need to use a M.2 to PCIe adapter to reach the optimal speed? Really confused. Appreciate your help!

http://www.gigabyte.com/Motherboard/GA-Z270M-D3H-rev-10#sp
 
Solution
USAFRet


Yes, a LOT of people are confused with the current SSD offerings.
m.2, SATA, NVMe, PCI-e....

It's not nearly as clearcut as HDD vs SSD.

That Samsung you link will work, but for a system drive, don't be too expectant of blindingly fast operations.
Yes it will be 'faster', but not 3-4x faster in day to day operations.

If you were moving large sequential files...
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USAFRet

USAFRet

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Mar 16, 2013
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m.2 is just the package. It is a SATA drive, just like a regular 2.5".
http://www.crucial.com/usa/en/storage-ssd-mx300

It is performing as expected.
 
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USAFRet

USAFRet

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Mar 16, 2013
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From that Amazon link:
"Sequential reads/writes up to 530 / 510 MB/s on all file types "
Just like most other SATA SSD's.
 
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Ryan_282

Prominent
Feb 24, 2017
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510




Thanks. I think I was so confused.

So if I want a SSD with GB level performance. I assume I need to look for PCIe/NVMe M.2 SSD? Like this one below... or any recommendation? Plan to use as a system disk with some frequently used stuff.

https://www.amazon.com/Samsung-960-EVO-Internal-MZ-V6E250BW/dp/B01LYFKX41/ref=sr_1_2?s=pc&ie=UTF8&qid=1488688046&sr=1-2&keywords=M.2+SSD
 
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USAFRet

USAFRet

Titan
Moderator
Mar 16, 2013
171,486
17,932
184,590


Yes, a LOT of people are confused with the current SSD offerings.
m.2, SATA, NVMe, PCI-e....

It's not nearly as clearcut as HDD vs SSD.

That Samsung you link will work, but for a system drive, don't be too expectant of blindingly fast operations.
Yes it will be 'faster', but not 3-4x faster in day to day operations.

If you were moving large sequential files in and out, yes.
But that's not what the OS and applications are.
 
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