ITEM NAME:5 pin to 4 pin Fan Connector Adapter Convertion Line Extension Cable For Dell BX Product description: This cable convert the standard 4 pin fan to Dell styles 5 pin Latch styles. Name: Dedicated fan conversion line for DELL Material: Plastic shell,Tin plated copper wire Size:ï ¼Ë†approxï ¼â€°13cm Application:DELL fan dedicated. Product function: Used to solve the problem that ordinary fan can not be used to DELL motherboard,one head is plug ordinary 4 pin temperature control fan (support PWM temperature control speed regulation),or plug ordinary 3 pin mute fan (not support speed regulation ),the other end plug DELL motherboard 5 hole special socket. Package Included:.This cable convert the standard 4 pin fan to Dell styles 5 pin Latch styles. Application:DELL fan dedicated. 1 x Dedicated fan conversion line.