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If you have an 24-pin ATX power supply, but want to install it to a regular motherboard. Now you don't have to run out to purchase another power supply. You can just use this adapter cable to make your existing standard 24-pin ATX power supply work as a 20-pin ATX power supply.


Adapter Cable length is 5 1/8"


Standard ATX Main Connector Pin-Out

Pin Signal Wire Color Pin Signal Wire Color
1 +3.3V Orange 13 +3.3V
Orange
2 +3.3V Orange 14 -12V Blue
3 COM (GND) Black 15 COM (GND) Black
4 +5V Red 16 Power On Green
5 COM (GND) Black 17 COM (GND) Black
6 +5V Red 18 COM (GND) Black
7 COM (GND) Black 19 COM (GND) Black
8 Power Good Gray 20 -5V
White
9 +5Vsb Purple 21 +5V Red
10 +12V1 Yellow 22 +5V Red
11 +12V1 Yellow 23 +5V Red
12 +3.3V Orange 24 COM (GND) Black

Connect to power supply's 24-pin main connector


Pin Name
Color Pin Name
Color
13.3V
Orange11
3.3V   
Orange
23.3V
Orange12
-12V
Blue
3COM
Black13
COM
Black
45V
Red14
/PS_ON
Green
5COM
Black15
COM
Black
65V
Red16
COM
Black
7COM
Black17
COM
Black
8
PWR_OK
Grey
18
-5V

White
95VSB
Purple19
5V
Red
1012V
Yellow20
5V
Red
Connect to motherboard's 20-pin power connector

$ 10.00


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