I have decided to go ahead with this mod:
1) Bought a VGA to PWM adapter and two Noctua NF - A14 fans.
2) Removed the heatsink and the plastic chassis.
3) Removed stock thermal paste and replaced it with new one.
4) Placed the heatsink back to the card.
5) Placed new fans on the heatsink.
6) Tied fans to each other with zipties.
7) Tied the two fans to the card with wire (did not have zipties narrow enough)
8) Placed the card back to motherboard.
Results: The fans hang from the card somewhat loosely, because i should have used zipties instead of wire. They are much more silent than the stock ones. One of the stock fans rattled and would not spin up until temps hit 70 degrees, which meant i would suddenly hear jet engines from my computer. New fans are not audiable even at full GPU load. Temps now hit 60 degrees and don't go beyond. The fans spin up to 900 RPM (unlike upwards of 3000 with stock). No adjustments of fan curve required.
I could not have hoped for better results, silent gaming here i come!
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