Now, the question is, why would you need the extra 8-pin cable if the 24-pin cable already sends power to the motherboard, including the CPU? The 24-pin cable sends power to our motherboard and other components, including the CPU, memory, chipset, and expansion slots.
#20 pin 12v atx power connector definition Pc
Why Do You Need Both 24 Pin & 8 Pin?Īll components inside our PC require DC power to function, and the PSU takes the AC power from the wall socket, converts it into DC, and sends that DC power to all our components.Īs discussed earlier, both 24-pin and 8-pin cable has different uses. Now, we will discuss why you sometimes have to connect both of these cables. The 8-pin connector is also termed a P8 connector or EPS connector. The 24-pin connector is also termed as ATX main connector or P1 connector. The 8-Pin cable can be split into 4+4 pins. The 24-Pin cable can be split into 20+4 pins. The 24-Pin cable carries different voltages, including (+3.3V, +5V, and + 12V) The 8-Pin cable only carries 12V.
8-Pin Connector: What’s The Difference? 24-Pin Connector 8-Pin Connector The 24 Pin cable is used to supply power to the motherboard and other components in the computer such as (CPU, memory, chipset, and expansion slot) The 8-Pin cable only supplies power to the CPU socket. Be clear on 8-pin CPU and 8-pin GPU cables to avoid confusion.What To Do If PSU Don’t Have Any Of These Cables?.Occasionally, The 8-Pin May Not Be Needed.What Will Happen If You Don’t Plug The 8-pin?.To understand everything, first read the difference between both these cables. I understand that you may be confused, but I assure you that by the end of this article, you will clearly understand this topic. However, this 8-pin cable will not be required all the time if you have an old CPU, then using the 4-pin CPU cable along with the 24-pin cable is sufficient. On the other side, the 8-Pin cable is responsible for supplying 12V power to the CPU and is designed to supply high power demands for the modern CPUs. Where the 24-pin cable is used to supply power to all the crucial components on our motherboard. Yes, If your motherboard has an 8-pin port, then you need to plug the 24-pin & 8-pin cables into the motherboard.īoth the 24-Pin cable and 8-pin cables originate from the Power Supply Unit and are designed for specific roles. When building a PC for the first time, many beginners ask a common question of whether it is necessary to plug both the 24-pin and 8-pin cables. Building a PC for the first time is challenging, and connecting all the cables in the correct slots is even more challenging.
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