will it work?

[A-aron Cryo]

Can i cross fire with a AMD Radeon HD 5800 series with a MSi N275GTX twin frozer the MSI is a little older than the radeon but i was wondering if they will work out.

 

[Jay Lavistria]

Crossfire is for 2 identical GPUs.
If you wanna crossfire, get another radeon.