What case is it? Look up the case details on the web to see ehat length gpu it supports.
it says 390mm max which that is the lengh of mine but i dont know if anybody had an idea if anything could slightly get in the way or even cause it to not fit at all
Can you show photo of your pc case with side panel removed?
What's the manufacturer/model name of this GTX 750ti?
i cant find my exact one again but this looks exact to me: https://www.google.co.uk/search?q=Kolink+Luminosity+Micro+ATX+Midi+Tower+White+LED+USB+3.0+PC+Gaming+Case+Black&rlz=1C1GGRV_enGB802GB802&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiZyKSs5PPbAhUpCMAKHUSVAFwQ_AUICigB&biw=1280&bih=869#imgrc=AflaGL70LOvI_M:
sorry the the hella long link.... also my GPU is:MSI NVIDIA GeForce GTX 750 Ti (2048 MB) (N750TITF2GD5OC)