(Desktop) Which case should I get?

[Statera]

So, I purchased all the parts for my PC and went on to building my first PC, but the case was to small to fit the Asus Radeon R9 390 8GB Video Card, although the dimensions say it can fit 5.7 inch height and 14.1 inch length where the GPU is only 11.5 x 5 (Measured it myself not 100% accurate but it's around there)

So I went online and found two cases I like but don't know which one to get:
Cooler Master N200 (mATX)
Corsair Carbide Series 100R Silent Edition (ATX)

Thanks in advance.

 

[ffg7]

go Corsair Carbide Series 100R Silent Edition (ATX)

 

[Statera]

go Corsair Carbide Series 100R Silent Edition (ATX)

Why do you say this though? Any specific reason or just personal preference?

 

[ffg7]

atx is a bigger board compared to matx so atx case will be bigger.

 

[Statera]

atx is a bigger board compared to matx so atx case will be bigger.

Does it matter that my mobo is mATX?

 

[ffg7]

nope as same mounting hole pattern & expansion slots spacing.

 

[Statera]

nope as same mounting hole pattern & expansion slots spacing.

Alright well 3-5 shipping days, thanks for your opinion on the matter.

 

[ffg7]

no problem.