HEXUS posted a review on the Sapphire Radeon X1600 XT Ultimate Edition 256MB

A look at the top shows the cooling measures Sapphire has taken to keep this a largely passive card. This RV530 core runs at 593MHz and is based on an advanced 90nm process. The front-mounted heatsink connects to the GPU and two heatpipes help even out the heat dispersal by ferrying a portion to the back of the card.

Sapphire Radeon X1600 XT Ultimate Edition 256MB Review