Something else that sets atx12v and atx power supplies apart is the power connectors they provide.
Atx12v power supply connectors.
An atx power supply provides a number of peripheral power connectors and in modern systems two connectors for the motherboard.
If you need to use a sata device but the psu doesn t have a sata power connector you ll need a molex 4 pin to sata 15 pin adapter such as this one.
Standard atx power supplies typically have the main power connector p1 additional 12v connectors as well as peripheral floppy drive serial ata and pci express receptacles which we will describe below.
Standard return policy 87 99.
Corsair cx m series cx550m 550w 80 plus bronze haswell ready atx12v eps12v semi modular power supply cp 9020102 na.
Main power connector for the motherboard.
4 pin atx12v connects to the motherboard atx 12v socket.
Thermaltake smart 500w 80 white certified psu continuous power with 120mm ultra quiet cooling fan atx 12v v2 3 eps 12v active pfc power supply ps spd 0500npcwus w 4 6 out of 5 stars 2 068 50 99 50.
Provides additional power to the cpu.
Atx 24 pin 12v power connector pinout atx v2 2.
The original atx systems had 20 pin main connector p1.
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.
1 atx split power 20 4 pin v 2 x.
20 pin molex 39 29 9202 at the motherboard.
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.
The connector itself is a molex 39 01 2240 connector often called a molex mini fit jr.
Eps 12v 8pin atx 12v.
350 watt atx12v 2 01 computer pc power supply w 20 24 pin.
1 x 120mm sleeve fan main connector.
The atx12v standard as of version 2 0 requires a 15 pin sata power connector.
For the operation basics of smps psu see our power supply tutorial.
The atx 24 pin power supply connector is the standard motherboard power connector in computers today.
On a 20 4 pin connector four of the pins are on a separate block making it reverse compatible with the older motherboards that require only a 20 pin connector.