While some of your motherboard connectors, such as the 24-pin main power connector and the 20-pin main power connector, may have the same type of patterns as the EPS12V header, the eight-pin EPS cable should be plugged in its correct socket to make sure none of your components get fried. You should make sure the square and rounded patterns match the exact same patterns on your motherboard. The eight-pin cable comes with enough pins to make sure you don’t connect it to your motherboard the wrong way. While these correct shapes and arrangements are usually the case, you can plug an incorrect arrangement into the connector with a little bit of force, though it’s not guaranteed to work. Your motherboard connector should also have the same shapes and arrangement so the cable can fit in correctly. Of these eight pins, four pins often have a square shape while the remaining four have rounded corners. Thanks to the fact that the eight-pin 12V cable is polarized, you can connect it directly to your motherboard’s 8-pin connector. There’s the variant where only one 12-volt rail is included in all eight pins and a different variant where two 12-volt rails come in four pins apiece. The eight-pin EPS12V comes in two variants depending on the power supply. However, thanks to the advancement in technology, many CPUs now require more 12-volt power, thereby making the eight-pin 12-volt cable the ideal choice instead of the four-pin 12V cable. The eight-pin EPS12V power cable was originally designed for workstations so they could provide multiple CPUs with 12 volts of power. There is no -5V rail for the EPS standard. To overcome this issue, many PSU vendors utilize connectors in areas where possible to unclip the extra sections. You risk the board’s connector overhanging the socket. However, there may be mechanical problems when you connect an E PS12V PSU to an ATX board, especially if the board is from an older generation. In theory, EPS power supplies are compatible with ATX12V and ATX motherboards found in offices and homes. One of these two additional four-pin 12V connectors is required on 850W+ power supply units, while the second is needed on 700-800 watts PSUs.Įntry-Level Power Supply Specification, otherwise known as EPS, is a PSU standard that provides critical-based applications and systems with a stable environment while cranking up their power.ĮPS power supplies are often designed with an eight-pin 12V connector and a 24-pin motherboard power connector. What Is EPS12V?ĮPS12V version specifies two more four-pin 12V connectors for motherboards that require more power. Without further ado, let’s get right to it. In this post, we’ll help you understand what the EPS12V is and how to use it on your computer.
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