The cooler is attached to the backplate with six screws, to remove the cooler completely you need to disconnect two power connectors, one for the fans and one for LEDs.
The new cooler DirectCU III has 6 nickel-plated copper heat pipes with an aluminum dual fin-stack heatsink. The whole PCB supported by a metal plate that covered the memory chips.
As you can see the ASUS using a completely custom PCB design with their Super Alloy Power (SAP) II design with 8+2 phase VRM design. In the center is the TU106 core and around the GPU is the 8GB of GDDR6 memory chips from Micron.