After Nvidia made nForce 4 chip for AMD A64 processors and later nForce 4 Intel Edition, which serves to run Intel processors, they decided for the first major upgrade of this chipset.

nVidia gained the most with SLI graphic cards and went a big step ahead of Canadian ATI in the graphic-car battle. The only bad isde of SLI was, that for its usage PCI Express X16 had to be divided to two sides which than worked only with half-speed (2X8).

And this is exactly what nVidia wanted to change. The new nForce 4 SLI 16X is about to have two PCI Express bridges with full speed (X16) and 8 PCI Express slots to be used for connecting other stuff to it..

It is worth mentioning that this upgrade is compatible with AMD and Intel processors.

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