[answered] Very stupid m.2 question

Hey. It's probably really stupid question, and the answer most likely is "it's fine", but I need to ask to be sure...
So there is this connection, called M.2... Now as far as I know there are two types of M.2... SATA and pci-e... Now nvme is as far as I know a pci-e type... So...
Does an m.2 nvme plug support an m.2 SATA drive? Meaning can I plug a SATA drive into an NVME slot, or there is a difference?

The difference is in the key (the notch) and the wiring. An M.2 slot might be wired as both PCIe and SATA, but that depends on the manufacturer.

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So it is possible for it to be pci-e only and not supporting sata interface?

Yes, check on the manufacturer specsheet.

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Thank you... The boards aren't out yet. I just wanted to check cause I have some sweet sata m.2 deal, but I guess I'm not getting it now...

Almost all regular length M.2 slots (M.2-2280) are wired for SATA and PCIe. Looking at the motherboard you said you liked in the AM4 Motherboards thread that is definitely an M-key M.2 slot, which is wired for both PCIe and SATA.

EDIT: Arstechnica article on M.2 for reference (chart about 2/3 way down): http://arstechnica.com/gadgets/2015/02/understanding-m-2-the-interface-that-will-speed-up-your-next-ssd/

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I think I'm going to hold on for some official specs... Asrock are not saying anything in their official website, and I don't really want to get the ssd and be unable to use it...
But that answers my question...

The mobo guide will tell what it supports.

I made the mistake of buying a PCI-E m.2 for it not to be recognized by the board. I had to read the super small print in the guide to see that it only supports SATA connections.

M.2 is a fantastic technology. It's been awesome for me so far.