Trying to Crossfire 6870s, will this 650W PSU suffice?

I have a 650w Corsair power supply ( I am wondering if I will be able to crossfire 2 6870's or if I will need to upgrade my power supply. Any help would be greatly appreciated.

My system is as follows:

AMD FX 8120-125w 8 core CPU
Mushkin 60Gb Sata III SSD
500 GB HDD
16 GB Corsair Vengeance 1600 RAM
A cd/dvd drive
And I currently have 1 HIS Radeon 6870, trying to see if I can get another.

4 answers Last reply Best Answer
More about trying crossfire 6870s 650w suffice
  1. Best answer
    A crossfire of HD6870s requires a 650W PSU with at least 38A on the 12V rails and four 6-pin PCIe power connectors. The TX650V2 has 53A on the 12V rails and is electrically sufficient for the CF, however it only has two 6+2 pin PCIe power connectors. You can either use two molex to PCIe adapters or and 8-pin y-splitter (i.e. 8-pin splits to two 6-pin PCIe connectors).
  2. you need 2 more 6 pin connectors to fit 2 6870's
  3. Thank you very much!
  4. Best answer selected by Xanatos108.
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