If you have actually one CD ROM drive and one hard disk, then basically you will need one SATA Data cable and one SATA strength cable. 

Basically, each drive requires a SATA data cable and also a power cable to operate. The SATA cables are listed with the motherboard and also the strength cables are noted with the power Supply Unit.

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If you have an ext than two drives in her computer, then you will need to get second data and also power cable because that each drive.

There are also cases whereby the SATA strength cable would certainly have split ends. That way you might able come supply power to lot of drives v a solitary cable.

Let united state look in ~ how many SATA cables carry out you require in depth.

Also Read: Do Motherboards Come through SATA Cables?


What room the varieties of drives that require SATA Power and also Data Cables?

There are basically three drives that need the SATA interface:

1. Difficult Disk Drives

These are your mean spinning tough drives and are normally the major storage journey for any computer.

2. Optical drives (CD/DVD Drives)

From CD come Blu ray drive, castle all need the SATA interface.

3. Hard State journey (SATA SSDs)


SATA 3 data cables come through the motherboard. Typically you get around 2-3 SATA cables and if friend want an ext cables, you need to procure them separately.

So How numerous SATA Cables perform I Need?

SATA to molex adapterIf you have actually an enlarge PSU that still has Molex connectors, then you have the right to can additionally use a Molex come SATA adapter cable if you operation out of SATA power cables from the PSU.

These perform not come through the PSU or the motherboard and also need to be procured separately.

SATA Connections and Power Requirements

While connecting the drives with the use of SATA power cables, you have to make certain that the PSU is qualified of supplying the power that your computer system needs.

PSU models available today have a wattage ranging from 200-1800 watts. A tough drive consumes in between 15 to 30 watt while one optical journey uses about 20 to 30 watt power.

While this wattage numbers are not much of a issue for an typical PC, yet if you have a big number that drives associated than the power consumption becomes a concern.

The best method to identify the power usage of your pc parts and also the recommend PSU wattage to acquire is to use the automated online calculators:

Final Words

Here we looked in depth at how countless SATA cables carry out you require in order come connect and also operate your drives. Essentially, we looked in ~ both the SATA Data and Power Cable requirements.

For an typical build, the available SATA power cables or connectors and also the noted data cables through the PSU and motherboard have to be adequate to accomplish the needs of many users.

If you must add an ext drives, climate you will need to procure an ext cables and also connectors. Always choose a high-quality cable the would defend you indigenous the dangers of any type of mishap.

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You additionally need to store your computer’s in its entirety power needs in mind when adding much more drives.