The difference between AT and ATX sirma - Last answer on 14 Aug 2014 1 answer Hello, I would like to know the difference between an AT and ATX power supply. Configuration: Windows 7 / Internet Explorer 9.0 Show more Related links: [POWER SUPPLY] What is EPS 12v??? AT, ATX, NLX, LPX meaning? Gigabyte motherboard 8-pin ATX 12V connector Difference between ATX and EPS connectors? atx 12v 4 pins 8 pins ??? how to convert ??? Motherboard requiring 2 ATX 12V 8-pin power connectors 1 answer Sorted by votes Votes Date Descending date Answer 1 / 1 BioK03 Hello, according to the wiki: