1. It can connect the SATA hard disk to SATA motherboard.
4. It can't connect the SATA hard disk to normal SAS motherboard. (it will be worked if your hard disk has the SAS chipsit, Otherwise can't work.)
3. It can't connect the SAS hard disk to normal SATA motherboard. (it will be worked if your motherboard has the SAS chipsit, Otherwise can't work.)
This SAS cable to 1x SATA22pin with 10 cm length, enables you to connect a SAS HDD with SFF 8482 port to a SAS compatible SATA controller (hybrid controller).
2. It can connect the SAS hard disk to SAS motherboard.