Serial Advanced Technology Attachment (SATA)
For power

For Data

Small Computer System interface (SCSI)
External SATA (eSATA)

Integrated Drive Electronics (IDE)
IDE is old tehnology with 40 pin ribon cbale connector. It is also called PAT – Parallel AT Bus Attachment. It supports two drives so thee are three connections in the cable. It does not matter which connector is connected into motherboard.

Thank you so much for your information. It’s really helpful p.