24-pin ATX 12V 2.0

24-pin ATX Power Connector
PIN SIGNAL COLOR
1 +3.3V Orange
2 +3.3V Orange
3 Ground Black
4 +5V Red
5 Ground Black
6 +5V Red
7 Ground Black
8 Power Good Grey
9 +5V Standby Purple
10 +12V Yellow
11 +12V Yellow
12 +3.3V Orange
13

+3.3V

+3.3V Sense

Orange

Brown

14 -12V Blue
15 Ground Black
16 Power On Green
17 Ground Black
18 Ground Black
19 Ground Black
20 -5V White
21 +5V Red
22 +5V Red
23 +5V Red
24 Ground Black





ATX Auxilliary Power
PIN FUNCTION COLOR PIN FUNCTION COLOR
1 Ground Black 1 Ground Black
2 Ground Black 2 Ground Black
3 Ground Black 3 +12 V Yellow
4 +3.3 V Orange 4 +12 V Yellow
5 +3.3 V Orange      
6 +5 V Red      
 

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