BT.709 Gamma 2.4 to HDR10 200 nits Rec. 2020 Workflow
It will convert into PQ Space at the same SDR nits.
This is recommended for advanced colorists, to grade natively from scratch.
It also works for a Dolby Vision 200 nits master.
On the final checkout page it will show “FAST-VPS Servers” Company.
This is completely normal.