ASUS' Republic of Gamers MARS III dual-GeForce GTX 680 graphics card may have been extensively
covered at this year's Computex event, but very few have had a peek at its innards (PCB). Expreview posted pictures of the card's PCB, sourced from the manufacturer.
The pictures reveal an unusually long and tall PCB, which draws power from three 8-pin PCIe power connectors, a 21-phase VRM that uses Super Alloy chokes and driver-MOSFETs, PLX PEX8747 PCI-Express 3.0 x48 bridge chip, and of course the two GK104 GPUs with a total of 32 individual GDDR5 memory chips (16 for each GPU, 16 on each side of the PCB) wired to them, totaling 8 GB of memory.
Edit: We received an update from ASUS, clarifying that this card will not be released. The design was only displayed during a factory tour, to show ASUS craftmanship.
Source: Expreview