AC Dual-Band router question!

ratchet

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Jan 20, 2009
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I have updated my Realtek PCIe GBE Family Controller with Driver Version: 10.3.723.2015, which I presume is for W10. Does this driver accommodate AC D-B technology? I'm running x64 W10 on a PC which was formerly W7 SP1 which I built. If I were to purchase an AC D-B router, would I achieve the performance improvements via Ethernet cable, assuming the driver is AC D-B compliant?
There are numerous AC adapter wireless cards available for desktops that I could add to the motherboard but I prefer to not enable wireless except when doing something on my laptop or my adult children are visiting.
Thank you!