Let’s take a look at the card itself:

13 HIS X1800GTO IceQ 3 Review + Unlocking

2 HIS X1800GTO IceQ 3 Review + Unlocking

The fan on the cooler runs without any LED lights. It spins
up with an audible whir at initial system start-up and slows down to really
silent operation a few seconds after.

3 HIS X1800GTO IceQ 3 Review + Unlocking

The heatpipe addition to help transfer the heat form the center
core area to the outer fins:

6 HIS X1800GTO IceQ 3 Review + Unlocking

We also see that the GPU Core Heatsink is a totally seperate
piece from the RAM Heatsinks so that the hotter GPU core does not spill the
heat over to the RAMs.