The power for the devices is transmitted via serial ata sata power connector. According to sata to usb wiring diagram you will find only four wires used in the cable.
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15 Pin Sata Power Connector Pinout
Sata wiring diagram. Any cable that is compatible with the ide standard is called a sata cable. Molex 67581 0000 used for cable connector and molex 67582 0000 used for terminals connector. We know sata cables replaced the older pata cables used in computers and can transmit data much faster than the pata cables. The red one is to get positive cable with dc power of 5 volts. Black cable serves as floor just like in every other device. The serial ata sata bus is defined over two separate connectors one connector for the data lines and one for the power lines shown left.
It is wafer based 15 pin shape. You must have seen a sata cable with the seven pin connector that connects your hard drive to the motherboard. The sata standard specifies a power connector sharply differing from those used by pata drives and many other computer components. According to sata hdd to usb wiring diagram there are only four wires used inside the cable. Typically it uses black green white and red wire colors. Some of the following article parts are reproduces the wikipedia article serial ata in computer hardware serial ata sata is a computer bus technology primarily designed for transfer of data to and from a hard diskit is the successor to the legacy advanced technology attachment standard ata also known as ide.
The universal serial bus usb provides for peripheral and external connections such as mice keyboards or storage devices. The pata power connector used instead of the sata power in some early devices. A serial ata hard drive may also have a third connector for legacy pata power connections. Typically it utilizes black green white and red cable colours. Black cable serves as floor exactly like in every other device. A serial advanced technology attachment sata cable connects an internal hard disk drive to a motherboard and power supply.
Attaching a hard drive to a usb converter allows you to make your own sata to usb connector. The red one is to get sure cable with dc power of 5 volts. A serial ata hard drive may also have a third connector for legacy pata power connections.
Gallery of Sata Wiring Diagram
