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HD6970 Crossfire in 650Watt?


I currently has 1 Sapphire HD6970 in my system and I has one Antec TP650 PSU.

I wonder if I want to crossfire two HD 6970 in one system, would the PSU has sufficient power to run them in full load?

Here is the review i got from website, it can be seen that the power consumption of HD6970CF will attract about 600 watt to run total system when testing Crysis 2.

I have run another test in this website: It says recommended is 650watt.

System Type: 1 physical CPU
Motherboard: High End - Desktop
CPU: Intel Core i5-2500 3300 MHz Sandy Bridge
CPU Utilization (TDP): 90% TDP
Video Card: AMD Radeon HD 6970
Video Type: Crossfire

IDE HDD 7200 rpm: 1 HDD
DRAM SSD: 1 Drive
USB: 2 Devices
Regular: 3 Fans 120mm; 1 Fan 140mm;
Keyboard and mouse: Yes
System Load: 90 %

Minimum PSU Wattage: 600 Watts
Recommended Wattage: 650 Watts

Is this mean that my PSU is good enough to run?

Do you have any experience in these two card?
5 answers Last reply Best Answer
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  1. Best answer
    If this is your PSU I believe it could do it, although on the low end since it has 648watts available on the +12 volts.
  2. Thank you for the reply.

    I cant open your link. This is my PSU:
  3. It is the same!
  4. Best answer selected by ryantan1121.
  5. This topic has been closed by Mousemonkey
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