Power question with upgrade to Gigabyte 4850

[jaliska]

So, I'm upgrading my video card and my current one (nvidia 8600gs) doesn't require power connectors from the PSU. The one I'm wanting to upgrade to (gigabyte 4850) requires a 6-pin connector, but also comes with an adapter that goes from 6 pin to 2x4 pin molex connectors. My PSU is 550 watts, but older, and doesn't have a 6-pin connector, so I'm wondering if the 2x4pin molex connectors will be enough power for it.

 

[jaliska]

This is what the side says:
DC Output: +3.3V +5V +12V -12v -5V +5VSB
MX Output: 26A 45A 28A 1.0A 0.8A 2.5A
Wattage: 220W 336W 12W 4W 12.5W

so, I assume the 28A is good enough?

 

[jaliska]

Best answer selected by Jaliska.

 

[DXRick]

Do you know that the HD 5770 is faster than the 4850 and uses less power?

 

[bpricems]

5770 is superior to the 4850, but the 4850 is a cheaper fit for a budget build or to extend the life of an older computer. I upgraded from an 8600gt (old Dell) to a 4850 (new build) and the difference was night and day. I chose the 4850 due to my budget constraint.