Serial-Attached SCSI (SAS) supports which two link speeds? (Choose two)

Serial-Attached SCSI (SAS) supports which two link speeds? (Choose two)

A.
1.0625 Gbps

B.
1.5 Gbps

C.
2.125 Gbps

D.
3.0 Gbps

E.
4.25 Gbps