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Buying graphics card not sure if fully compatible. Please help asap

I just bid on a graphics card for my MsI 785GM-E65 motherboard. The graphics card is a XFX Radeon HD 6870 900MHZ 1GB 4.2GHZ GDDR5 Video Card. My power supply is 480 watts 12volt but I already ordered a new 650 watt powersupply just incase with these power specifications
# Power Specifications:
# 115V, 230V switchable power supply
# 50/60 Hz
# +3.3V, 28A
# +5V, 48A
# +12V, 30A
# -12V, 0.5A
# +5Vsb, 2.5A
Please help asap. The bid ends in about 40 minutes. Hope I made the right choice. Thank you and God Bless
4 answers Last reply Best Answer
More about buying graphics card fully compatible asap
  1. Best answer
    Just make sure it has 2 6-pin PCI-e connectors, which it should at 650w. I'd definitely recommend investing a few dozen extra dollars (or other currency if you're outside the US) to get a quality PSU. As far as the wattage you're fine- requires a 550w PSU, which usually has you covered pretty well. Now, if you're using an inexpensive, crap-brand PSU all bets are off.
  2. Best answer selected by Tsn4help.
  3. Here are the gereral features of my PSU.
    # 650-watts total power
    # 14 cm/5.51-inches fan
    # One (1) 12-inch 20+4-pin ATX power connector
    # One (1) 12-inch 4-pin 12V power connector
    # One (1) 6-pin PCI Express power connector
    # Six (6) large Molex 4-pin power connectors
    # One (1) small floppy power connector
    # Two (2) SATA power connectors
    # Complies with ATX 12V 2.0 connector
    # Short circuit and over voltage protection
    I see it says 1 6-pin PCI Express Power connector.
    Does this absolutely mean it won't be compatible.
  4. beltzy said:
    Just make sure it has 2 6-pin PCI-e connectors, which it should at 650w. I'd definitely recommend investing a few dozen extra dollars (or other currency if you're outside the US) to get a quality PSU. As far as the wattage you're fine- requires a 550w PSU, which usually has you covered pretty well. Now, if you're using an inexpensive, crap-brand PSU all bets are off.


    Here are the gereral features of my PSU.
    # 650-watts total power
    # 14 cm/5.51-inches fan
    # One (1) 12-inch 20+4-pin ATX power connector
    # One (1) 12-inch 4-pin 12V power connector
    # One (1) 6-pin PCI Express power connector
    # Six (6) large Molex 4-pin power connectors
    # One (1) small floppy power connector
    # Two (2) SATA power connectors
    # Complies with ATX 12V 2.0 connector
    # Short circuit and over voltage protection
    I see it says 1 6-pin PCI Express Power connector.
    Does this absolutely mean it won't be compatible.
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