Sorry, mistake... :(

https://www.vinshineaudio.com/product-page/denafrips-ares-r2r-dac

Here is an almost new unit... :) https://www.audiogon.com/listings/solid-state-oppo-sonica-dac-preamp-streamer-2017-07-29-preamplifiers?acq=fuel&keyword=preamps&creative=shopping&gclid=EAIaIQobChMIyZnBroq51QIVhYV-Ch17qwbJEAYYAiABEgLl3PD_BwE

This guy is crazy!!! He is suggesting "By-Passing" the main fuse!!! Unbelievable!!!        http://www.tweakaudio.com/EVS-2/Schiit_mod.html

Anyone install Windows 10 yet and install the Marantz HD-DAC1 Driver??? 

Sign-Up or Sign-In here for Free Hi-Rez music files... http://bluecoastmusic.com/free-downloads

1=6.3mm 2=SMC 3=3.5mm 3=XLR  

Is this a good deal???       http://www.ebay.com/itm/AMR-DP-777-SE-DAC-preamp-Stereophile-Recommended-120V-230V-5-500-MSRP-/121679111785?pt=LH_DefaultDomain_0&hash=item1c54a3e669

 The USA iFi Audio distributor is Avatar Acoustics... http://www.avataracoustics.com/home.html

Excellent information at the software website... Things to disable and things to never disable were especially interesting...  http://www.thesycon.de/deu/latency_check.shtml

I doubt if anyone here wants to force you to try a Power Cord, but if you desire, The Cable Company has a cable lending library of over 60 brands of cables that you may borrow and test in your system... http://www.thecableco.com/content.aspx?iid=5777

According to Wiki you are correct...   " A USB 3.0 Standard-B receptacle accepts either a USB 3.0 Standard-B plug or a USB 2.0 Standard-B plug. Backward compatibility applies to connecting a USB 2.0 Standard-B plug into a USB 3.0 Standard-B receptacle. Though, it is not possible to plug a...

Just need an adapter... ;)   

Looks like we are going to have to use one of these Wireworld Starlight USB 3.0 Cables... Or another brand... ;)

    EDIT: The PDF file marked Nano needs to be opened and instructions are listed... All set...    EDIT #2... This version sounds better than the last version...;)