Microsoft and Intel don't make it easy. MS at some point in the Windows 8 build cycle released a build that stripped out LBFO teaming and it's not supported in Windows 10 at all. Intel stopped support for ANS in Windows 10. ANS is Intels teaming software.
So I clean install a 90 day evaluation of Windows 8.1 Enterprise X64 so I can take advantage of ANS.... And guess what? Intels Proset 21 comes up with a message about 'No Intel(r) adapters are present in this computer'. I'm looking at the freaking adapter in device manager! So I have some Intel server NICs also. Put one in, let the OS bring it up and still nothing.
I tried version 20, 19, 18. Nothing.
So I'm not able to go with a dual port NIC. I've setup the LAG on the switch and have both the WireWorld Starlight and hand terminated cable and just swapping at the Intel CT Desktop NIC.
I'll record a few tracks on each cable and post them for comparison. I'll also record a few tracks and swap out the cable during playback and see if anyone can track the changed in the 'Mixed Signal System' that Lavorgna and others like to trot out when they can't reliably pass in a blind test but still think there are differences to be heard.
Currently with a 15 foot CAT5e I terminated off of spool:
My subjective evaluation both on speaker and headphone is that I can't tell, by sound, when the buffer emptied and filled back up and I certainly can't hear a difference when the cable is swapped in realtime which is another argument people are making that by simple virtue of the cable being plugged in there is a difference. Due to the LAG on the switch I'm able to successfully swap cables out and experience zero drop in play back just not optimally how I wanted it setup.
On my setup, so far, there isn't a difference.