There are many types of wire connectors out there but these are some of the most common ones you'll encounter.
Binder Shielded Cable Connectors Binder has expanding its M8 product portfolio with molded, 360° shielded signal connectors.
On page 4, there is an "IDE Power" connector. It looks a lot like a 4 pin CPU fan connector, but it (obviously) provides different voltages that are appropriate for 3.5" IDE drives (5V, 12V) and the ...