Will all PCI-E cards work with all motherboards with PCI-E slot?

[Gigabite]

Hi

I have a Gigabyte GA-K8N51GMF-RH motherboard, with a PCI Express slot.
More Specs here:

http://www.gigabyte.com.tw/Products/Motherboard/Products_Overview.aspx?ProductID=2286

I am thinking of getting a PCI-E graphics card soon, but i was wondering if all graphics card with a PCI-E slot will be compatible with my PCI-E motherboard?

Thanks

[rond36]

AMD Athlon™64 / Sempron socket 754 platform
Integrated NVIDIA CineFX 3.0 Graphics Engine
Supports New Generation PCI-ExpressX16 Graphics interface
Supports NVIDIA SATA 3Gb/s and RAID for storage application
Integrated IEEE1394 FireWire interface
RoHS compliant motherboard for green computing


The answer is yes.