Desktop Power Connectors

An example of ac power would be power that is provided by a standard wall outlet in a home or office.

Desktop power connectors.

Type a usb the common joe usb connector that you see everywhere backward compatible. Computer power cables and connectors. A power cable gives electrical power to the computer by connecting the machine to available power outlets. The original atx systems had 20 pin main connector p1.

Identifying the power supply connectors in a pc the reference on the side unique to each manufacturer will allow you to identify the model. For example the reference sp atx 650wtn pfc refers to the brand spire or sp the standard for the power supply atx the output in watts of the power supply 650wtn and the power factor correction active or passive. A computer s power supply normally provides several of these connectors which mate to male interfaces on hard drives cd dvd drives and other internal devices. The common 5 25 inch 4 pin power connector is impossible to miss inside a pc case.

Whether you re building a new gaming desktop or updating a computer the power supply is the heart of your computer. 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. Mini and micro type b usb used for mobile devices such as smartphones tablets and digital cameras. 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.

Type b usb the square type connector that is commonly used for printers. The 24 pin main power connector was added in atx12v 2 0 to provide extra power needed by pci express slots. Power connectors allow electronic devices to connect to available power outlets. What are power connectors.

When you know what power cables and connectors you need your machine will be in good working shape. 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. The new 24 pin connector added one line apiece for ground 3 3 5 and 12 volts. First you need to find out how much power you actually need.

As such you ll often see early versions of work in progress data sources marked as beta or preview any data source marked as beta or preview has limited support and functionality and it shouldn t be used in production environments. The older 20 pin main power cable only has one 12 volt line. A cord can also link together monitors printers and other units. Type c also used for mobile devices but this one is reversible.

For the operation basics of smps psu see our power supply tutorial.