I was wondering if i could effectively double my download/upload speed by buying a networking card that has 2 input Ethernet ports on it and plug both into my router. Will this double my speed? If so what networking card should/do i need? Or if i dont need a networking card if there is like a wire combining hub that will connect 2 ports from my router to my computer into one ethernet port that would be great. My current download/upload is 100/100.