The Koolance VID-AR290X is a full coverage video block for water cooling AMD Radeon R9 290 and 290X cards in single and multi video card configurations. It utilizes a high-performance microfin (0.5mm) design made of solid copper with anti-corrosive nickel plating. Fitting threading is standard G 1/4 BSPP. For multiple card configurations, video connectors are also available. NOTE: This product is based on the original reference board layout. It will not fit video cards which have been changed from the original AMD or NVIDIA reference spec.