6,650 words. 75 images. 24 pages. Athlon 64 FX and Opteron 252 CPUs tested. In our nForce4 SLI motherboard roundup, Chris tests NVIDIA's last 3 driver releases and SLI motherboards from ASUS, DFI, Gigabyte, and MSI, as well as Tyan's ultra high-end K8WE nForce Professional 2200/2050 motherboard. See who comes out on top, as well as the staggering memory bandwidth figures the Tyan board dishes out with dual Opteron CPUs in this article!