VR-Zone

"After some guys at XtremeSystems and VR-Zone leaked some pictures of the pcb, Hardware-Aktuell compared the length between the GeForce 9900 GTX and the GeForce 9800 GTX. Both are 27 cm long, according to this the pcb is also as long as the GeForce 9800 GX2 or the GeForce 8800 GTX and Ultra."

Link..