PowerColor can claim the "world's first" medal as it has now announced that first watercooled Radeon HD 4890, less than one week after the RV790 card was officially launched. Part of PowerColor's Liquid Cooling Solution aka LCS series, the upcoming wet wet wet Radeon comes with a single-slot EK-made waterblock that has a copper base and high-flow 3/8" and 1/2" fittings, and is claimed to be help lower the GPU temperature by up to 20°C compared to the reference fansink. To further show its confidence in the cooling solution used, PowerColor will ship the Radeon HD 4890 LCS with GPU and memory clocks of 900 and 4000 MHz respectively.

"PowerColor created the LCS line to meet the needs of the most extreme gamers. The most demanding gamers need a cooling solution that can keep up with their demands," said Ted Chen, CEO of TUL Corporation. "We know not all enthusiast gamers are created the same. That's why our LCS line is the most flexible VGA liquid cooling solution on the market."

Boasting 1GB of GDDR5 memory, the RV790 card will become available on April 16 at about $339.