PCI Express is the defacto choice for graphics cards and other high speed components, like physics processing.  It caught on for mainstream consumers, while PCI-X has been relegated to business applications like SCSI cards, and Gigabit LAN cards in servers. 

PC Stats is reviewing the ASUS M2N32 WS Professional, based on the nVidia nForce 590 SLI chipset, and it has 2 PCIe 16x, 2 PCIe 1x along with it’s pair of PCI-X slots, and quite a few other interesting features.  This a good board to base a PC meant for getting things done on.

The Asus M2N32 WS Professional motherboard is based on the nVidia nForce 590 SLI (C51XE) and nVidia MCP55PXE Southbridge. The PCI-X bridge is a NEC PD720404 controller. Of course, when the need arises to expanded, the Asus M2N32 WS Professional motherboard, there are a pair of PCI Express x1 slots, two PCI Express x16 slots, one 32 bit PCI slot and the two 64 bit PCI-X slots for high performance hardware. The last bit is important since there is a ton of workstation hardware that relies on the PCI-X architecture.


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