The various types of power connections are shown in the following tables and illustrations.
Peripheral device connector
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AMD
Socket 462
Power Supply Standard
ATX12V 1.3 or higher
ATX plug
20-pin
AUX plug (6-pin)
not used
P4 connector (4-pin 12V)
rarely used
Socket 754
Power Supply Standard
ATX12V 1.3 or higher
ATX plug
20-pin, sometimes 24-pin
AUX plug (6-pin)
not used
P4 connector (4-pin 12V)
sometimes needed
Socket 939
Power Supply Standard
ATX12V 1.3 or higher
ATX plug
20-pin, sometimes 24-pin
AUX plug (6-pin)
not used
P4 connector (4-pin 12V)
sometimes needed
Intel
Socket 370
Power Supply Standard
ATX12V 1.3 or higher
ATX plug
20-pin
AUX plug (6-pin)
rarely used
P4 connector (4-pin 12V)
rarely used
Socket 423
Power Supply Standard
ATX12V 1.3 or higher
ATX plug
20-pin
AUX plug (6-pin)
rarely used
P4 connector (4-pin 12V)
needed
Socket 478
Power Supply Standard
ATX12V 1.3 or higher
ATX plug
20-pin
AUX plug (6-pin)
not used
P4 plug (4-pin 12V)
needed
Socket 775
Power Supply Standard
ATX12V 2.01 or higher
ATX plug
24-pin, sometimes 20-pin
AUX plug (6-pin)
n/a
P4 plug (4-pin 12V)
needed
P4 plug (8-pin 12V)
945X chipset (DualCore) or higher often needs this connection
ATX plug with 24 pins (Extented ATX)
20-pin ATX motherboard connector
20-pin ATX cable
6-pin EPS connector
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