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Is a 750w PSU enough

I'm building a PC in a month or so and was wonder if a 750w PSU will do as I could save 100 dollars of my current PSU of choice
Sliverstone RL04B Case
Thermaltake TR2 TR-800P 800w PSU (Modular)
Crucial 4gb 1600MHz RAM (I'm get another stick a month after or so)
Gigabyte Radeon hd7970 GHz Edtion
ASRock B85M Pro 4
Intel Core i5 4670k 3.4GHz
5 answers Last reply Best Answer
More about 750w psu
  1. Best answer
    Unless you intend to go Crossfire at a later date, 550watt would be sufficient.

    -Wolf sends
  2. Wolfshadw said:
    Unless you intend to go Crossfire at a later date, 550watt would be sufficient.

    -Wolf sends

    So would a 750w be good for crossfire with this card?
  3. Yes, that should be fine.
  4. Yes 750w would be fine for Crossfire .
    My Triple 7970 crossfire rig has a 1050w PSU and it has only ever show a max draw from the wall of just over 700w while gaming
  5. The wattages listed above are correct. However if you don't already own it do not buy a Thermaltake TR2. Absolute trash. Check here. I'll give you a hint. Start looking in tier 5.

    http://www.eggxpert.com/forums/thread/323050.aspx

    Corsair, Seasonic, XFX, PC Power and Cooling, Silverstone, Enermax, OCZ or Antec for quality.

    You are buying a 'K' model CPU. You will need a Z87 chipset motherboard to overclock it.
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