
Icy Box Card reader 5.25 IB-867-B
4-pin Molex
Icy Box Card reader 5.25 IB-867-B
4-pin Molex
Which USB 2.0 plug is used for what and can I only connect one of them?
I don't understand your question. Can you clarify? There are 4 USB 2.0 connectors, one 3.0 and one charging port. You can connect one or more of them at once.