https://wccftech.com/techn-intros-premium-pure-copper-water-blocks-amd-radeon-rx-6900-xt-rx-6800-xt-rx-6800-big-navi-gpus/ > German water block manufacturer, TechN, has announced its latest pure copper series for the AMD Radeon RX 6900 XT, RX 6800 XT, & RX 6800 Big Navi GPUs. The water blocks make use of premium materials for high-end water cooling performance. > The high-end water block comes with a full-cover design made from POM & features a pure copper cold plate. According to TechN, the precision-crafted cooler is compatible with reference GPUs such as the Big Navi-based AMD Radeon RX 6900 XT, RX 6800 XT & RX 6800. The water blocks also come with an optional aluminum backplate with a sophisticated black anodized finish which gives a premium look.