The answer is YES.

Applies to: All Reolink Cameras.

Currently most of the Reolink cameras in clear mode support H.265 compression type including 8MP/12MP PoE/WiFi cameras like RLC-810A and 4MP battery-powered cameras like Argus 3 Pro.

Regarding the video compression format

Compression Type Product Line
H.264 WiFi/PoE cameras (4MP/5MP), Battery-powered cameras(2MP)
H.265

WiFi/PoE cameras (8MP/12MP), Battery-powered cameras(4MP), Duo 2 Series (6MP)
510A/520A/510WA (hardware version IPC_MS1NA45MP) supports encoding format: How to Set Up Reolink Encoding Format

You may learn more about Introduction to the Video Format of Reolink Cameras.