https://www.aliexpress.com/item/1005002996748461.html https://www.aliexpress.com/item/1005002996748461.html ↑ this one does support gen3. Anyhow, with 4x@gen2

https://www.aliexpress.com/item/1005002996748461.html https://www.aliexpress.com/item/1005002996748461.html ↑ this one does support gen3. Anyhow, with 4x@gen2 you’ll be fine at 10G speeds (I checked). Gen3 is strictly needed only if you want 2 (or 4) ports, or 25G...