Which Dell EMC Unity XT Model(s) Supports the 12 Gb/s

Multiple Choice

Which Dell EMC Unity XT model(s) supports the 12 Gb/s SAS I/O module?

A) All Dell EMC Unity XT models
B) Dell EMC Unity XT 600/650F only
C) Dell EMC Unity XT 500/550F and Dell EMC Unity XT 600/650F only
D) Dell EMC Unity XT 400/450F, Dell EMC Unity XT 500/550F, and Dell EMC Unity XT 600/650F only