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+4 pin for Intel

P

pr0pensity

[H]ard|Gawd
Joined
Sep 2, 2003
Messages
1,738
I see a lot of 20+4 pin power supplies for backwards compatibility, but do 24+4 pin power supplies exist at all? I've searched a number of online stores and eBay, but I have yet to see a single one with 24 pins.
 
pr0pensity said:
I see a lot of 20+4 pin power supplies for backwards compatibility, but do 24+4 pin power supplies exist at all? I've searched a number of online stores and eBay, but I have yet to see a single one with 24 pins.
Click to expand...

Yes, 24+4 pin power supplies do exist. The recently-introduced ATX 2.x power supplies (e.g. my current Antec SmartPower 2.0 500) are of the 24+4 pin variety. Many of those also come with a 24 to 20 pin adapter for compatibility with older motherboards. The 20+4 pin power supplies are only ATX12V 1.x compliant, and thus are intended for use only on older motherboards. (Newly introduced motherboards within the past year require an ATX 2.x compliant power supply, which means 24+4 pins.)
 
Hmm... Me thinks we're confusing which connectors go where.....

Let's say we're only talking about power supplies that have come out in the last two years.

A 20+4 connector is not a term used to describe a PSU with a 20 pin ATX connector and the 4-pin 2x2 12V connector. The term 20+4 means the ATX connector is modular allowing the extra 4-pins to be "snapped off" for older 20-pin motherboards.

Regardless of whether you use such a power supply on a 20 or 24-pin motherboard, you will STILL have the additional 4 pins for 12V to the CPU. These 4 pins have different leads and actually a slightly differernt connector than the +4 pins of the 20+4.

So when you say 24+4, I'm thinking of an ATX connector that has 28 pins. :eek: Because, naturally, anything put out in the last three or four years (since the ATX12V standard came out) is going to have the 4-pin 12V connector.

If I'm wrong show me a power supply and clarify what you're asking. If you think I'm right and you still don't understand, show me a specific power supply and I'll clarify.
 
The four extra pins on a 24 pin power supply are not the same four used to power Intel chips.
 
No. They are not. The extra four pins on a 24-pin connector are +12V, +5V, +3.3V And one ground. The four pins for an "Intel" 4-pin is 2 +12V and two grounds.
 
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