Most all video cards come with a molex to 6pin adapter, you should be fine if you have a molex, if you don't have 2 6pin connectors, i worry that you have a really low end PSU or one that doesn't have enough power..
Most all video cards come with a molex to 6pin adapter, you should be fine if you have a molex, if you don't have 2 6pin connectors, i worry that you have a really low end PSU or one that doesn't have enough power..