![]() ![]() Times it won't work at all or will burn/melt the connector. ![]() Motherboard and it will sometimes work properly but other You can plug a 4 pin 12V cable into an 8 pin Which will convert various kinds of power supply cables into both 4 pin and 8 Is to plug a 4 pin cable into a 4 pin connector, an 8 pin cable into an 8 pinĬonnector, or a 4+4 cable into either kind of connector. The compatibility rules between 4 and 8 pin connectors haveĪ lot in common with the rules for 20 and 24 pin connectors. You must plug a cable into this motherboard connector or the CPU will (although it's a very bad name) and the 8 pin cable is called an EPS12VĬable. The 4 pin cable is often called a P4 cable Motherboards power their CPU with a 12 volt CPU power cable. If you'reīuying a new power supply then try to get one with a 20+4 power cable.ĬPUs used to be powered by the 20 pin main power cable. ![]() This kind of powerĬable is fully compatible with both 20 and 24 pin motherboards. Split into two pieces: a 20 pin piece, and a 4 pin piece. ThereĪre adapters which convert 20 pin cables into 24 pin cables but theyĭon't solve the problem and can cause problems of their own.Ģ0+4 power cable which has a 24 pin connector which can be If the motherboard draws too muchĬurrent then it will overheat the connector which can burn or melt it. Plugging a 20 pin cable into a 24 pin motherboardĬan strain the 20 pins that you're using. Those extra 4 pins provide moreĬurrent carrying capacity. Motherboard but whether it works over the long haul depends on You can always plug a 20 pin power cable into a 24 pin Get an adapter cable which converts a 24 pin power cable into a 20 pin cable. Will work fine but you often can't get them to physically fit togetherīecause something gets in the way. Plug a 24 pin power cable into a 20 pin motherboard then it Have the same number of pins then they'll (of course) fit together just fine.īut what happens if they don't match? If you Your power supply main power cable and motherboard main power connector both Pin cable with 4 extra wires added to the end to provide extra current. The ATX standard has two different versions of the main power cable: The green links provide more detailed information on the subject. Issues you need to consider to maximize the chance that an ATX power supplyĪnd motherboard will work together properly. Supply appears to have sufficient wattage. Even if theĬonnectors do match you can still run into trouble even though the power Motherboard and end up with connectors which don't match. Now you can get an ATX power supply and ATX Nowadays things areĪ bit more complicated. At least they did if the power supplyĭelivered enough wattage. If you had an ATX power supply and an ATX motherboard then you When ATX was originally introduced there was just one kind of ATX power
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