It can connect the SATA hard disk to SATA motherboard
It can connect the SAS hard disk to SAS motherboard. ( This is a purely mechanical connector with NO integrated chips or electronic components. It only provides physical pin conversion, no signal processing or protocol conversion. Requires an existing SAS chipset on your motherboard/controller)
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. )
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. )
The SFF-8482 is a connector design for interfacing a connection for SAS drives, both SAS Hard drives and SAS SSD drives. The SFF-8482 supports 2 SAS ports (lanes) to/from the drive.
The SFF-8482 is a 29-pin connector with a plastic body, and configured with 15 pins that support the power requirements of the drive, and (2) groups of 7 pins that carry the SAS data signals.