Pictures and Specs of the card can be found in the link above.
Note : There are 2 pages in this article.
And a small bit of the news : "The card is cooled by a customised solution from Arctic Cooling with nickel plated heatpipes and fins, featuring three low-noise dual ball bearing fans and developed specially to mate with the SAPPHIRE original design pcb. This efficient solution also provides scope for further performance tuning."
More about :radeon 5970 4gb pics specs fastest card
It's probably the fastest card, because the only other custom HD 5970 that I know of that has been tested right now is the ASUS RoG Ares HD 5970 4GB version which has its clocks at stock 850MHz/1200MHz, while this card has it at 900MHz/1200MHz.