RED team, please confirm:

4K REDCODE RAW:
- compresses at about 10 to 1
- is visually lossless

Those two facts seem contradictory.

RED advertises a data rate for 4K REDCODE RAW of 27 MB/sec.
4K uncompressed would be about 270 MB/sec.
The math:
12 bits per pixel
- times -
4000 x 2000 pixels per frame
- times -
24 frames per second
- divided by -
8 bits per byte
- divided by -
1024 bytes per kilobyte
- divided by -
1024 kilobytes per megabyte