In short, I have two questions:
- Does shielding matter for a USB2.0 cable inside a computer? The length is about 50 cm.
- Is the requirement that data wires should be thicker than data ones still valid if a USB device has a separate power source?
I have two devices (a water pump and an argb controller) supplied with USB 2.0 cables for connecting directly to a MB. Both devices are powered through sata. My MB has a single USB header, which is just enough to connect 2 devices. The simplest way would be just to plug the devices to the MB directly, but in the name of handiness and aesthetic I'd like to make an intermediate cable. Firstly, I made a cable putting 4 x 26 AWG wires (for power) and 4x 28 AWG (for data) into a paracord sleeve and it looked good until I realized that it missed shielding. Given the length of the cable about 50 cm, I am not sure that shielding might be neglected. Am I right? As a second option I found a shielded cable with 8 x 28 AWG wires inside on the local market. With that I could make a shielded USB cable for my needs, but then the power wires would be as thin as data ones. My guess is that with a separate power source it is not an issue, but I'd like to be sure. I would appreciate any thoughts.