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power supply radeon HD 4890

can i connect my XFX radeon HD 4890 with my 450 watts zebronics PSU.

my specs are: core2duo E7500, 2GB DDR2, intel DG41RQ board,DVD-RW,500GB SATA, Zebronics 450W PSU.

HELP ME.......
6 answers Last reply Best Answer
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  1. Yes the 450 watt power supply will do fine, it recommends 500 watt but thats a definite over estimate. I have a 7750 on a 500 watt so you have some headroom.
  2. Gam3r01 said:
    Yes the 450 watt power supply will do fine, it recommends 500 watt but thats a definite over estimate. I have a 7750 on a 500 watt so you have some headroom.

    how can? my psu have only 2 4pin molexes free. help me to how can i fix it with full perfomance?
  3. Well all of the cards I have seen, it has cables that transfer from 4 pin molex to 6 pin. Also you may want to look into a new psu if you dont have enough cables, a seasonic or corsair may be better. Zeabronics, from what i hear, wont produce its rated power.
  4. You would need a Molex to 6-pin PCI-Express power adapter looks like that card has 2x6pin. Also a 4890 uses a lot more juice than a 7750 you could probably run a 7750 on a a quality 300watt PSU for HTPC type build.

    I'm not familar with that brand, so it may not be up to task.
  5. Gam3r01 said:
    Well all of the cards I have seen, it has cables that transfer from 4 pin molex to 6 pin. Also you may want to look into a new psu if you dont have enough cables, a seasonic or corsair may be better. Zeabronics, from what i hear, wont produce its rated power.


    Thanks friend.... please help me to choose a low cost psu for HD4890.
  6. Best answer
    I would say the corsair CX500 or similar from corsar (cx series)
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