Will a PCI-Express x16 2.0 Card work in a PCI-Express x16 slot?

My motherboard is an ASUS P5N73-AM. It seems to only have a PCI-Express x16 slot, not 2.0. Will a PCI-Express x16 2.0 video card work in my slot? It's a GeForce 8800 GT. I know USB 2.0 devices work in old USB ports, so I was wondering if it's the same concept here.|||yes both versions are compatible with each other|||it is not the same as usb. however it will support the card since they are both x16|||Yh definatly.

Pci-e x16 is the same as the 2.0|||Yes it can but there is no guarantee|||Hey,

yes a PCI-Express x16 2.0 video card work would work in PCI-Express x16 slot.



PCI Express 2.0



PCI-SIG announced the availability of the PCI Express Base 2.0 specification on 15 January 2007.[17] PCIe 2.0 doubles the bus standard's bandwidth from 0.25 GByte/s to 0.5 GByte/s, meaning a ×32 connector can transfer data at up to 16 GByte/s for both videocards (SLI 2×, etc.). PCIe 2.0 has two 32-bit channels for each GPU (2×16), while the first version only has 1×16 and is operating at 2 GHz.



PCIe 2.0 motherboard slots are backward compatible with PCIe v1.x. PCIe 2.0 cards have good backward compatibility, new PCIe 2.0 graphics cards are compatible with PCIe 1.1 motherboards, meaning that they will run on them using the available bandwidth of PCI Express 1.1. Overall, graphic cards or motherboards designed for v 2.0 will be able to work with the other being v 1.1 or v 1.0.



The PCI-SIG also said that PCIe 2.0 features improvements to the point-to-point data transfer protocol and its software architecture.[18]



In June 2007 Intel released the specification of the Intel P35 chipset which does not support PCIe 2.0 only PCIe 1.1.[19] Some people may be confused by the P35 block diagram which states the Intel P35 has a PCIe x16 graphics link (8 GB/s) and 6 PCIe x1 links (500 MB/s each).[20] For simple verification one can view the P965 block diagram which shows the same number of lanes and bandwidth but was released before PCIe 2.0 was finalized. Intel's first PCIe 2.0 capable chipset was the X38 and boards began to ship from various vendors (Abit, Asus, Gigabyte) as of October 21, 2007.[21] AMD started supporting PCIe 2.0 with its RD700 chipset series and nVidia started with the MCP72.[22] The specification of the Intel P45 chipset includes PCIe 2.0.



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