Is it M.2. or PCIe 3.0 x4 SSD?

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drtweak
M.2....

M.2 Does BOTH PCIe Lanes AND normal SATA lanes! Now M.2 also does things like WiFi cards as well. That is where the whole M and B key come in.

B key only allows 2 PCIe lanes. This is usually things like WiFi cards and what not
M Key is for 4 PCIe lanes, this is what most NVMe SSD's use
M+B key is kind of a universal one but this i what most SATA SSD's use.

Now there are M.2 to PCIe kits like above but this ONLY works on PCIe Devices. If your PC doesn't support NVMe then you can use a NVMe SSD. You also cant use a M.2 SATA SSD as those are wired to connect to SATA though the M.2 port and not though the PCIe slots. You can still use it for things like WiFi and USB 3.0 adpaters
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Luminary

Luminary

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Nov 29, 2015
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"I have Z77 motherboard and it does not support M.2"

NO, you need a motherboard that supports an M.2 socket.

The confusion is the reference to the PCIe lanes. An M.2 SSD utilizes the PCIe data lanes on a motherboard to send and receive information, which is why that are referenced. An M.2 drive will NOT fit in a traditional PCIe lane.
 
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elbert

elbert

Glorious
Jan 11, 2005
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It says both because you can buy a PCIE card to use it with. This is the basic ideal.
adm2px4.jpg

 
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D

Deleted member 217926

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You can use it with an adapter but you can't use it as a boot drive because your board does not support the NVMe protocol. So you are stuck with using it as fast storage. Not worth it.
 
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Astralv

Astralv

Distinguished
May 6, 2013
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Ok, thank you for reply. Still confused. I thought M2 looks like 2 teeth on both sides, but this SSD looks like PCIe 3 card- with one tooth on one side that should fit in to the PCI3 slot. It just that I ran out of SATA ports and would be happy to use PCIe slot ( would have to move the graphic card out of the way but I have one slot left).
 
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drtweak

drtweak

Illustrious
Sep 17, 2012
6,342
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38,640
M.2....

M.2 Does BOTH PCIe Lanes AND normal SATA lanes! Now M.2 also does things like WiFi cards as well. That is where the whole M and B key come in.

B key only allows 2 PCIe lanes. This is usually things like WiFi cards and what not
M Key is for 4 PCIe lanes, this is what most NVMe SSD's use
M+B key is kind of a universal one but this i what most SATA SSD's use.

Now there are M.2 to PCIe kits like above but this ONLY works on PCIe Devices. If your PC doesn't support NVMe then you can use a NVMe SSD. You also cant use a M.2 SATA SSD as those are wired to connect to SATA though the M.2 port and not though the PCIe slots. You can still use it for things like WiFi and USB 3.0 adpaters
 
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