Question about 6 pins
- Thread starter Dan2rock4
- Start date
- Oct 30, 2004
- 32,255
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6 pin what ?
Aere we talking about a PCI-E / Molex Adapter ?
A 6 pin PCI-E is rated for 75 watts.... (6.25 amps)
A molex cable is rated for 11 amps (132 watts) but I doubt the outlet on the PSU is rated for that.
I wouldn't use a PCI-E / Molex adapter but if you must, I'd use both.
Aere we talking about a PCI-E / Molex Adapter ?
A 6 pin PCI-E is rated for 75 watts.... (6.25 amps)
A molex cable is rated for 11 amps (132 watts) but I doubt the outlet on the PSU is rated for that.
I wouldn't use a PCI-E / Molex adapter but if you must, I'd use both.
If you're talking about the 6-pin PCIe to 2x 4-pin Molex adapter, you must be cognizant of both the power requirements of your GPU, the power delivery capabilities of your PSU and the rail output configuration, and the existing load on those rails.
The 6-pin PCIe cable is rated to deliver 75 watts. The cable itself is not usually the limitation, it's the output from the PSU and any overcurrent protection hardware that may be present.
Each 4-pin Molex is specified to deliver at least 40 watts. A common configuration is 3 x 4-pin Molex connected together with a 4-pin FDD attached to the end. Thus, the 12 volt rail that the Molex connectors are attached to should be able to deliver at least 120 watts, usually more.
The 6-pin PCIe cable is split into two Molex connectors so that they can be attached to two separate 12 volt rails via one 4-pin Molex .
The safest bet would be to attach it to two separate Molex connectors on two separate strands.
mlga91
Admirable
- Jul 8, 2014
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Pretty much this, if you only plug one and you card requires more than 40W on the pcie power connector, is most likely that you'll melt the adapter and the molex connector, just like this poor soul:
Couldn't find a proper melted molex adapter, but will look pretty much like that.
mlga91 :
Pretty much this, if you only plug one and you card requires more than 40W on the pcie power connector, is most likely that you'll melt the adapter and the molex connector, just like this poor soul:
Couldn't find a proper melted molex adapter, but will look pretty much like that.
That looks to me like a poorly formed connection. Not enough contact surface = high resistance = heat.
AdmiralDonut
Distinguished
- Feb 21, 2014
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Why would you only connect one after being told you shouldn't? It's simple: If the 6-pin has two molex connectors, use two molex connectors or don't use the graphics card.
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