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I am not sure what an ITX is :p

ITX is a motherboard form factor that is usually in 170 mm × 170 mm.. so the casing are small in size usually...

You have ITX, MATX, ATX, EATX for motherboard size... and the casing will be build according to accomodate them.

I have a guy who just builds my computers for me haha xD

Haha I'm that guy who build computers for people 😂

Ye, I figured haha xD

My bestfriend does it for me :D