https://wccftech.com/powercolor-files-radeon-rx-6600-series-to-eec/ > Yesterday, we reported that PowerColor released three listings for different styles of the Radeon RX 6600 XT custom graphics cards for New Zealand retailer, PBTech. > Today, Twitter user 188号 (@momomo_us) released this screencap of PowerColor's recent filing to the Eurasion Economic Commision (EEC) for a new Radeon RX 6600 series that will showcase eight gigabytes of memory. The models that were included in the filing were the Radeon RX 6600 XT, Radeon RX 6600 non-XT and Radeon RX 6900 XTU. PowerColor's Liquid Devil Ultimate and Red Devil share the same Navi 21 XTXH model that the Radeon RX 6900 XTU is showing. The Radeon RTX 6600 series are brand new to PowerColor.