4 pin Mini-Fit Jr connector      

There is no agreed standard connector for PC fans, but there is a most choice. 4 Pin Fan Molex have a special 4 pin fan connector which is designed to accept both 3 pin (no PWM speed control) and 4 pin fans. Line connector Molex 47054-1000, RS 720-5990 Line connector contacts Molex 47054-1000, RS 172-9178 PCB […]

Typically used for pre SATA hard disk drives.  AMP EI Series part numbers: AMP / TE Connectivity 1-480424-0 and 163304-2 – Cable socket AMP / TE Connectivity 350211-1 – Vertical PCB header AMP / TE Connectivity 174804-1 – Right Angle PCB header   Pin Name Color 1 +12VDC Yellow 2 Ground Black 3 Ground Black 4 +5VDC Red    

Typically used for 3½ floppy disk drives.  Called a "Berg" connector. AMP EI Series part numbers: AMP / TE Connectivity 171822-4 – Cable socket AMP / TE Connectivity 171825-4 – Vertical PCB header AMP / TE Connectivity 171826-4 – Right Angle PCB header   Pin Name Color Description 1 +5VDC Red +5 VDC 2 COM Black Ground 3 COM […]