Is my psu good enough?

Hey I'm looking at getting an ATI 4890 and im not completly sure if my psu is up to it.

My system:
CPU- AMD PHENOM II TRI CORE 720
Mobo- ASUS M3A79-T DELUXE
GFX- 9800gt
hdd- 500gb sata2
disc drive- dvdrw sata
Ram- 2gig
Wireless card

With a 500watt psu running it all would i be able to replace the 9800gt with the 4890 without problems?
4 answers Last reply
More about good enough
  1. Depends what 500 watt PSU, please link to it. There are many good ones that would be able to handle a 4890, however most of them are cheap and beaten by good 400 watt PSUs or they are rated at peak and are only really 350watt PSUs.
  2. http://www.thermaltake.com/product/Power/tr2power/w009394/w009394.asp

    I think thats the one i got it a while back (2006 i think)
  3. This appears to be it
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817153028
    eh, not so good, a corsair 400CX easily out powers it where it counts, the 12 volt rail.
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139008
    A 4890 would probably be stressing it a bit. If you want to crossfire down the line(you have a great board to do so) then get this one
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006&Tpk=750tx
    If you never intend to run more than a single 4890 then a 550vx will do fine
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139004&Tpk=550vx
  4. Thanks :D looks like im guna have to save a bit more then :P
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