Question m.2 different slot?

i76700hquser

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Jul 3, 2019
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Sorry if i'm on wrong categorie, i'm new. So, i was planning to buy an exp gdc, but i saw that my wifi uses the new m.2 slot, so i took a look into an adaptor and found one, but it's different, have a look:

gA1btU.jpg

Can anyone please tell the diference?
Thanks.