Question 750 ti?

[Broki]

Can a 750 ti work with Asrock H55DE3 motherboard

 

[AppleGwava]

Assuming your psu can support it (Which you can help answer by providing system specs)
A gtx 750ti should work on a motherboard with a pcie connector

If your cpu is relatively weak it might cause a bottleneck, but again we cant be sure unless we have specs and your intended us/games

Cheers,
Alvis

 

[Broki]

My cpu is I3 540 but i don't have a picture on my monitor if i put 750 ti or my other 2gb graphic card