DAC is great in isolated setups, but once you get too dense/too much stuff you increase the chances of noise issues. They are copper electrical cables like any other so they have crosstalk etc ...

Supported SFP/SFP+ transceivers 10GBASE-Lr 1310-nm SFP+ (LC) for up to 10 km over SMF ... It won't work with several generic DAC cables I have that work just fine with a ProCurve and a TP-Link.

The cable used in the USB DAC is a custom-made, 4-core cable designed by Astell&Kern. If your device doesn’t have a USB-C port, you’ll need to purchase a USB-C female to USB-A male adapter.

The company’s very low-profile SFP+ direct attach copper cable assembly is reportedly fiber-like in size and allegedly more flexible than optical fiber.

Shure's cable should benefit from improved sound fidelity as compared to the 3.5mm-to-Lightning adapter Apple includes with every iPhone 7 box, especially considering the highly sensitive earbuds ...