2SFF U.2 and U.3 cable for Tri-Mode controllers.

P38924-001 - SPS-CA, 8SFF U.3 BP, NVMe
If selected along a 2 SFF x4 U.3 or x4 U.2 backplane, the 2 SFF Tri-Mode Cable (P36657-B21 ) is required
Required when Tri-Mode Controllers are selected along the U.2 or U.3 backplanes.