Quote Originally Posted by Nedjo
RD580, and I guess same for RD600 supports 48 PCIe lanes. If SB600 is connested with 4 of them, it remains 44 for the PCIe slots it would make sense to have 2x16 for CrossFire, and 1x8 for PhysX, and 4 foru what ever reason (say additiona RAID controller). 2x8 for grapphics, and 1x2 for physix is just under high expectations!



So I'm with nn_step guessing this PDF is fake!
You still have to count in the gigabit NIC, each of them takes up 1 pci-e lane.