Dell GX280DT - GX280 Desktop Computer User Manual page 133

Desktop Power Supply DC Connector Pin Assignments
DC Power Connector P1
Pin Number Signal name 18-AWG Wire
1 +3.3 VDC Orange
2 +3.3 VDC Orange
3 COM Black
4 +5 VDC Red
5 COM Black
6 Red
7 Black
8 Gray
9 Purple
10 Yellow
11 Orange
12 Blue
13 Black
14 Green
15 Black
16 Black
17 Black
18 N/C
19 Red
20 Red
*Sense connector.
DC Power Connector P2