TML wrote:I have a friend telling me the 2 power connectors on the graphics card are not required. Meaning I could use the CX430M with the one PCI-e 6-pin connector and be fine, and having two connectors on the card is for multi-rail PSUs. Anyone care to weigh in?
superjawes wrote: It's not that multiple connectors/wires increases the effective wire gauge, but it provides a parallel path for current to reach the GPU.
Minimum of a 450 Watt power supply.
(Minimum recommended power supply with +12 Volt current rating of 24 Amps.)
Increasing the wire gauge decreases resistance (because electrons have more area to flow through).
superjawes wrote:And it's not just a matter of resistance anyway.
Gilligan wrote:Higher gauge means thinner wire, which is why I corrected myself above.
I mentioned the possibility of multiple rails above. However, the corsair PSU mentioned above (and the one he ultimately bought), has only one 12v rail, so this does not apply. The only concern is getting enough current to the video card without putting too much through an individual cable to the point that it fails.
I have a friend telling me the 2 power connectors on the graphics card are not required
it would be totally fine to use a PSU that doesn't have the two 6 pin connectors
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