Here is a good topic about this... https://forum.blackmagicdesign.com/viewtopic.php?f=2&t=67089&p=377266
In RAW mode it can be recorded by disk recorders that are capable of uncompressed 10 bit recording. Wrapped as Quicktime Movie.
A example of that recorder is BMD Hyperdeck studio PRO. (But sure Atomos will do too )