Your old wires will work, but there's still a catch.

It's not shocking to see somebody own an Xbox, PlayStation, Switch ... example. Both of these consoles benefit from the faster HDMI 2.1 cables, and both come bundled with one in the box.

The Nintendo Switch 2 Dock uses a stronger power supply than Switch 1 and an Ultra High Speed HDMI Cable. So in short, no, we wouldn't recommend using your old wires.

For example, a cable box, DVD player and DVR may all have HDMI outputs, but the TV may have only one HDMI input. In this case, a three-port HDMI switch is used with three inputs for source ...