I have a comprehension question for the benefit of USB 3.0 on current P55 motherboards. I have some forums, Google searches and motherboard manuals, but I still have some doubts. I imagine the next few days together a new PC (i5 760, GTX 470) and would make a motherboard with whom I can use full USB 3.0. When P55-UD3 and UD4 is that when using USB3 or SATA6Gbs 8Lanes of PCIe 2.0 x16 will be lopped off, the P55-UD3 is not (it has not much of a SATA6Gbs only USB3). Can the P55-UD3 even have the full power although it has not even USB3 a second PCIe 2.0 x16 slot (but only one PCIe x16 (electrical x4)? How does it work if I want to use a USB3 device, when playing the video card but will not steal the lanes? Do I have always though I know that I will use a device in the BIOS USB3 make changes or is changed automatically in the Windows OS? When ASUS P7P55D example, it is so that you can press a switch on the motherboard and then must restart. By flipping a switch you can choose between SATA6Gbs and USB3, does not even both together. If I were to stop at this board then USB3, my graphics card would then the full 16 lanes? So there are 2 options for me actually in question. Either permanently USB3.0 16 lanes on the graphics card and permanent or eight lanes would subtract my account but that's only if I USB3 also just use this moment but without change in the BIOS and have to restart what. Are there differences between Gigabyte and Asus about the problem USB3 lane 8, is at the ASUS motherboards with USB3 in miser that is not the warning that if USB3 use of the PCIe 2.0 x16 slot is cut.
If anyone can provide some detailed explanation, that would be much appreciable.
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