And now we shall shame you for being a fanboy. While I too prefer Nvidia cards I look at the graphs and then make an educated decision. Also Nvidia's GPUs are pretty bad in the 150$ price range.
Well then I shall take that advice from you (sorry if I was rude lol. It's 2 am. ) and we should stop this conversation as I've already destroyed this topic.
Geezus you're not getting the point . I just wrote that 'Useless post:'-part so that you folks don't tell that even if it doesn't matter to me it matters to some.
No such thing as standard size but the most common one is probably 3/8 ID 5/8 OD . Also I would recommend staying away from watercooling if you only have a 100 pounds to spend.