Doubtfull, unless they are from the same brand same series.
It's not a "card model" issue as a general rule, it is a "card MANUFACTURER" issue normally.
Even within the SAME manufacturer the fans will normally have changed quite a bit over THAT many generations.
The fan connections might fit, there's only 2 or 3 of those in common usage on GPU cards.
Hrm.... well many reference 5000 and 6000 series cards use the same blower fan.... was wondering if it would happen to work w/ blower fan on newer reference 480's .... It's not a "card model" issue as a general rule, it is a "card MANUFACTURER" issue normally.
Even within the SAME manufacturer the fans will normally have changed quite a bit over THAT many generations.
The fan connections might fit, there's only 2 or 3 of those in common usage on GPU cards.