Next to Danger Den EK also reveals GeForce GTX 590 watercooling blocks, both offers a nickel-plated copper design but one has an acrylic top while the other one offers an acetal top. They're available on the company's website for 124.96EUR and 129.95EUR, respectively.
Base is made of nickel plated electrolytic copper. New cooling engine involves thin fins cut into copper, providing extreme cooling performance and excellent flow over both GPUs.
Top is made of quality cast acrylic material or black POM Acetal material. The sealing is preformed by quality rubber washers withstanding temperature range from 0 up to +80 degrees Celsius. Block is mounted with enclosed M3x8mm DIN7985 screws.
Fittings can be used on both side of the block (up and down) and 2 plugs are enclosed. Have a look, click the thumbnails.