Modern ATX v2.3 power supplies employ motherboard power connectors with how many pins?

The correct answer is C. 24. ATX power supply standards evolved from the original 20-pin main motherboard connector (ATX v1.x) to a 24-pin connector in ATX v2.x and later (including v2.3). The extra 4 pins were added to supply additional power required by PCI Express slots and more power-hungry components…

Hardware

Question

Modern ATX v2.3 power supplies employ motherboard power connectors with how many pins?

Options

How the community answered

(22 responses)

A
5% (1)
B
5% (1)
C
91% (20)

Explanation

ATX power supply standards evolved from the original 20-pin main motherboard connector (ATX v1.x) to a 24-pin connector in ATX v2.x and later (including v2.3). The extra 4 pins were added to supply additional power required by PCI Express slots and more power-hungry components. The 24-pin connector is backward-compatible with older 20-pin motherboards when using a 20+4 pin connector. Options A (16), B (20), and D (28) do not correspond to the ATX v2.3 standard. 20-pin was the older ATX standard, not v2.3.

Topics

#ATX power supply#motherboard connector#24-pin connector

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