SATA is a computer bus primarily used for data transmission between motherboards and data storage devices (such as hard drives and optical drives). Due to the use of serial transmission, it is also known as a serial connector. The product has the advantages of simple structure, efficient transmission, and support for hot swapping. 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, data transmission positive pole signal interface
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 pole signal interface
7-pin, grounded, usually connected to the negative pole
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