AMD claimed that it would announce the Radeon RX 6600 XT in the first half of 2021. While the card remains unreleased, a render of it has leaked, matching a slide that AMD showcased earlier this year.
https://www.notebookcheck.net/Leaked-render-shows-the-AMD-Radeon-RX-6600-XT-as-a-single-fan-graphics-card-8-pin-power-connector-confirmed.548544.0.html