Gpu form factor 2.2?

[kamisis12]

I am building a custom case and it is very important to understand the mobo dimensions, it is also important for choosing the right mobo.

My concern is this http://www.sapphiretech.com/productdetial.asp?pid=D40475DB-8BD0-40F6-8C33-F12D63272AEC〈=eng

I am trying to build a micro atx crossfire case hence i have a limited number of pcie slots. The card linked above says that it is a 2.2 pcie form factor what does it mean, does it mean i cant cf these cards placed at the 1st and 3rd pcie slots?

Other question. Can you suggest me a z97 matx mobo that has pcie3 x8 bandwidth on two pcie slots that is as small as possible(i have seen matx mobos with 5 pcie slots, looking for something with 3 or 4)

[ZetZet]

First get r9 290x. It's cheaper and performs the same. 

Second http://pcpartpicker.com/part/gigabyte-motherboard-gaz97mxgaming5

[kamisis12]

First get r9 290x. It's cheaper and performs the same.

Second http://pcpartpicker.com/part/gigabyte-motherboard-gaz97mxgaming5

I am getting the 290x but i want my case to be compattible with the largest cards in cf. hence 390x question

Thanks for the mobo advice

[ZetZet]

I am getting the 290x but i want my case to be compattible with the largest cards in cf. hence 390x question

Thanks for the mobo advice

well the case compatibility is just depending on the lenght and width, form factor doesn't matter.

[kamisis12]

well the case compatibility is just depending on the lenght and width, form factor doesn't matter.

Ok, can i cf 4.2 cm cards on the 1st and 3rd slots or would these count as 3 slot gpus is my question

[ZetZet]

Ok, can i cf 4.2 cm cards on the 1st and 3rd slots or would these count as 3 slot gpus is my question

That's height, it looks like a 2 slot card, basically any card that doesn't go over the pci bracket is 2 slot. But that is not case compatibility. mATX mobos only have 4 slots so.