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It depends, ones for hard drive are i think, about 40 pins, an less for the floppy IDE cable Desktop hard drives have "40" pin connectors; however, the actual number of pins is 39. There is one pin missing in the upper row, middle. I believe the reason for this is so the ribbon won't be connected upside down, it can only go one way.

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16y ago

What else can I help you with?