1151 socket motherboards with M key

[skeezercp7]

Do you know who makes the best 1151 motherboards (and which ones) with M key slot for under 200 dollars.

Only M key only. Not B or B and M.

 

[ingtar33]

m key? you mean m2?

because most if not all of the z series ATX boards come with an m2 slot.

 

[rgd1101]

m key? you mean m2?

because most if not all come with an m2 slot.

m.2 have different key type, m, b.
https://en.wikipedia.org/wiki/M.2

 

[chrispher]

U need the M.2 slot x4?
Go for MSI Z170A GAMING PRO
it can suport M key and x4