Will my 250w Thermaltake Purepower Express work with a 4870?

[XDanger]

OUTPUT
Voltage +12V1 & +12V2
Max. Load 21A (Peak Load: 25A)
Min. Load 0A
Output Voltage 11.4VDC~12.6VDC
Ripple & Noise Less than 100mVpp
?

[shabby]

I dont see why not, its not like the 4870 chows down over 250watts.

[XDanger]

Max. Load 21A
I'm more concerned about the amps

[spajdr]

OUTPUT
Voltage +12V1 & +12V2
Max. Load 21A (Peak Load: 25A)
Min. Load 0A
Output Voltage 11.4VDC~12.6VDC
Ripple & Noise Less than 100mVpp
?

you have two rails with 21A i think, so you should be just fine.

[john19055]

I thought the 4870 drew more power then just 21amps.