The Guide to Getting a SATA Power Cable

That’s not always the case, as there are some newer standards available for high-speed drives. But alongside PCIe and NVMe, SATA is still a major player, especially when it comes to larger-sized HDDs AND SSDs.

A SATA power cable uses a 7-pin connector that connects the hard drive to the motherboard. The same cable is also used to connect to other SSD devices. One can also connect an external hard drive to the computer with a SATA cable through the eSATA input.

sata power cable

Applications of SATA cables:


SATA cables are used for both data transmission and to provide power to the data drives and SSDs.

1. SATA power cable for SSD


SSD are storage devices that work faster than traditional and mechanical hard drives. These drives don’t have performance issues as compared to the old storage devices. A SATA cable is used for connecting the SSD installed as an internal device on a computer. 
A SATA cable with a power connector provides power supply to the SSD device. 

2. For HDD


The Hard Disk Drive is a SATA cable that connects the hard disk to the motherboard. This cable is also responsible for providing the power supply to the hard disk. A hard disk consists of several inlet ports out of which one is compatible with the SATA cable.

The ends of the SATA cable are connected to the hard disk and the SMPS of the CPU. Earlier, four-pin Molex connectors were used for these connections. But the new SATA Cables are thin and have a flat surface which maximizes the airflow inside the CPU. It ensures better performance of the HDD.

A SATA cable can also be used to connect an external hard drive to the computer. An external hard drive can be connected through an ESATA input. If the hard drive supports a USB input, you can also use a SATA to USB converter to connect the device to the computer.

3. For Laptop


In most laptops, the storage devices are directly attached to the motherboard. Therefore, a traditional SATA cable isn’t required. The storage devices in laptops like HDD, SSD, etc. are connected to the breakout boards. These boards are connected to the motherboard with a ribbon-like SATA cable. These are thin and flat, allowing airflow in the laptop.

SATA Converter Cables


There are various adapters you can purchase if you need to convert an older cable type to SATA or convert SATA to some other connection type. For example, if you want to use your SATA hard drive through a USB connection, like to wipe the drive, browse the data, or back up the files, you can buy a SATA to USB adapter.

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