Definition of different pin counts for 7PIN SATA connectors

SATA is a computer bus primarily used for data transfer between motherboards and data storage devices such as hard drives and optical drives. Due to its serial transmission of data, it is also known as a serial connector. The product has the advantages of simple structure, efficient transmission, and support for hot plugging. There are two types of SATA connectors on the market: 7+15PIN and 7PIN. Among them, the 7+15PIN and 7PIN SATA connectors are separate data transmission interfaces.

The seven pin definition of SATA data interface from left to right is:

1 pin, grounded, usually connected to the negative pole

2-pin, positive signal interface for data transmission

3-pin, data transmission negative signal interface

4-pin, grounded, usually connected to the negative pole

5-pin, data receiving negative signal interface

6-pin, data receiving positive signal interface

7-pin, grounded, usually connected to the negative pole

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Definition of different pin counts for 7PIN SATA connectors