I have about 6-8 floppy (34-pin) and 12-15 IDE (40-pin 40-wire ribbon) cables that I don't need. They're mostly standard lengths (18" or so), some shorter or longer, and have 2 or 3 connectors. Free, ...
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 ...
Building a modern computer is something plenty of us have done, and with various tools available to ensure that essentially the only thing required of the end user is to select parts and have them ...