@ineedaname:
No offence, but if you don't know what you are talking about then don't talk to me like you did. I asked for facts. Datasheets that show that the caps are really worse. Noone posted that. So, please, if you don't even know how to read the ratings on the caps, then keep your thoughts to yourself.The cap that blew on Newbeetle's board was a 270µF 16V cap. The top number is perhaps just a date code, but as I don't have datasheets, I don't know for sure. And if I'm not totally mistaking the 560µF cap that you are obviously talking (561) about can't be the right equivalent to the one that exploded on Newbeetle's board, as the cap is quite sure filtering the 12V EPS 8-Pin power connector. Therefore it can't be rated at 6.3V.
BTW, the other difference that you noted between the red 6V 561 (560µF) caps on the one board and the 6.3V rated 561 caps on the other board is just a different manufacturer. Perhaps they even have the exact same ratings. I know for sure that the purple ones are from Sanyo, but unfortunately I don't know the manufacturer of the red caps. It's an absolutely legitimate procedure for a manufacturer to change suppliers of some parts depending on current prices and availability. That doesn't necessarily mean that one is better than the other.
We are talking about this cap:
So what does it say on top of it? I can't really decipher the information printed ontop of it as the pic is too blurry for me.




The cap that blew on Newbeetle's board was a 270µF 16V cap. The top number is perhaps just a date code, but as I don't have datasheets, I don't know for sure. And if I'm not totally mistaking the 560µF cap that you are obviously talking (561) about can't be the right equivalent to the one that exploded on Newbeetle's board, as the cap is quite sure filtering the 12V EPS 8-Pin power connector. Therefore it can't be rated at 6.3V. 
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