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500 Watt PSU good enough for 4870

Forum Graphic & Displays : Graphics Cards - 500 Watt PSU good enough for 4870

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is my 500 watt antec earthwatts psu good enough for my 4870 512mb gddr5? because it ran at first but when i put it back into my computer and try to power it on, power fluctuates and then it satys on but i have no video. Its a Visiontek brand 4870. Any answers would be helpful

heres the link to my psu

i bought it from staples

http://www.staples.com/office/supp [...] 051_SEARCH

Message edited by ebaugh on 09-15-2008 at 09:13:52 PM

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That also depends on other parts. But for typical systems, it should be good enough. Of course, any psu can be defective.

------------------------------ Q6600@3.6ghz, GA-EX38-DS4 motherboard, 8gb 800mhz ddr2 4-3-3-12, 8800GTS(g92)@780mhz, 1TB + 1.5TB hdds, 850watt psu
Reply to dagger

heres my setup

HP media center m8100n
amd athlon x2 2.8 ghz 5600+
3gb ram
500 gb hard drive
visiontek 4870 512mb
sound blaster audio x-fi sound card
and the antec 500 watt.

Message quoted 1 times

Reply to ebaugh

ebaugh wrote :

heres my setup

HP media center m8100n
amd athlon x2 2.8 ghz 5600+
3gb ram
500 gb hard drive
visiontek 4870 512mb
sound blaster audio x-fi sound card
and the antec 500 watt.

I have an Antec 500 watt psu and it works fine with my Visiontek 4870. I have had no trouble at all. See my specs below.

yeah, i just re-installed my 4870, did some tweaking in catylast control center that i didnt know were there. But yeah, my 500 psu is working fine now for my card

Reply to ebaugh

should be enough power maybe even a 2nd 4870 would work.
=]

------------------------------ intel core 2 quad q6600 @3.2ghz msi p6n diamond (X-FI Extreme sound) 6gig of OCZ+CoRSAIR oc 900mhz Nvidia gtx 260 sli @ 730/1465/1250
Lite-On Blue-ray Western Digital 7200rpm 500gb Antec 500 Earthwatt Window vista 64-bit
Reply to invisik

Should be just fine, running two 4870s here and load shows as 545 watts during Crysis and 378 at idle.

Message quoted 1 times

Reply to stoner133

stoner133 wrote :

Should be just fine, running two 4870s here and load shows as 545 watts during Crysis and 378 at idle.

stoner133,
What is the best way to tell how much power your rig is using? What do you use?

Thanks!

http://extreme.outervision.com/psucalculatorlite.jsp

Reply to BenjaminM580

Should be enough. Might even be enough for a second 4870 but that might be pushing it. The good thing is, it has overvolt protection, so if it activates then the system will switch itself off and you'll know you need a beefier power supply.

:sol:

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