Power Supply Cable Connectors

There are many connectors and identifying them can be difficult especially for a novice.

Power supply cable connectors.

20 pin molex 39 29 9202 at the motherboard. Pc power supply cables contain vital connectors for your computer. Computer power supply units psu deliver the power to the pc hardware via a number of cables with connectors. Here is a quick guide that will help you to identify the different types of connectors of your pc s power supply.

A 20 4 power cable has two pieces. Since sata and molex power connectors do not have clips be sure to insert them firmly so that they won t come loose or get disconnected. 6 pin power connector can supply 75 watt to the graphics card while 8 pin power connector can deliver maximum of 150w to your graphics card. Many power supplies come with a 20 4 cable which is compatible with both 20 and 24 pin motherboards.

An 8 pin or 4 4 pin auxiliary connector providing additional power to the cpu and a main 24 pin power supply connector an extension of the original 20 pin version. 20 4 pin atx. An atx power supply provides a number of peripheral power connectors and in modern systems two connectors for the motherboard. Their generic specifications for various desktop systems are defined in intel s design guides which used to be periodically revised.

Please make sure you connect both molex to different. And while a power supply looks like a big mess of cables to the untrained eye there s only a few types of pc power connectors that you ll need to know when connecting a power supply. Motherboards can come with either a 20 pin main power connector or a 24 pin main power connector. Identifying the power supply connectors in a pc.

Connectors really do get hot if you overload them so the safest thing to do is use a real 24 pin power supply on a motherboard with a 24 pin connector. Use a molex to sata connector to power your latest hard disk drive. Graphics card 6 pin and 8 pin connectors explained. Their latest standard is psu design guide rev 1 31 released on april 2013.

Molex to pci e 6 pins. A graphics card with one 8 pin power connector can get maximum of 225w of power 75w from pci express x16 slot and 150w. Atx 20 4 pin main power cable connector. Old power supply unit or simply lacking the required number of sata power connectors.

Need another pci 6 pin cable to power your graphics card. Note that your 24 pin machine may work fine with a 20 pin power supply until you add a pci express card later on down the road.