x99 motherboards with mid tower cases

Solution
NZXT case supports Full ATX size mobos and Asus X99a is a full ATX size mobo, it will fit in the PC Case. No issue there

http://www.asus.com/Motherboards/X99A/specifications/

http://www.nzxt.com/product/detail/109-guardian-921-rb-case.html#
Yes X99 based motherboards will fit in mid size towers. Most of these motherboards are Full ATX and mid tower cases support Full ATX size mobos. No issue at all. To be specific, if you can provide the under consideration mobo and PC Case, more specific answer can be given
 
NZXT case supports Full ATX size mobos and Asus X99a is a full ATX size mobo, it will fit in the PC Case. No issue there

http://www.asus.com/Motherboards/X99A/specifications/

http://www.nzxt.com/product/detail/109-guardian-921-rb-case.html#
 
Solution