My current system that I have build is based on a Gigabyte motherboard with 8GB RAM along with Antec EarthWatts 500W PSU. I am looking to upgrade to HD 7870 graphics card in the coming days. Many where I have read that this card consumes approximately 210W or so and therefore it is recommended to buy a 700W PSU? So, I was confused whether I should buy a new 700W power supply or use this video card with Antec PSU only? Can anyone suggest me will I be fine with the PSU that I have for this card? Thank you
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