I have recently completed making myself a new rig which is working fine but the only problem that I am facing is with the graphics card. Since I have got a Antec Basiq 550W, it seems that it is not capable enough to run Radeon HD 7870 with not enough amperage off the 12V rail. When I checked the video card then I noticed that it requires atleast 30A off the 12V rail. But when I checked the PSU then it says it gives 25A. I even tried to plug in 2 PCIe power cords but with 2 different 12V rails, but the monitor was not displaying any output at all. Can anyone please help me to get this graphics card to work? Thanks
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