Easy cable managment - Our cpu fan extension cable gives you greater flexibility between your motherboard and CPU cooling fan by lengthening the pwm fan cable. for larger enclosures Sleek, construction - Each pwm cable extension cord is sleeved in flexible and sturdy braided black nylon to provide long-lasting performance as well as to avoid dust and breakage 3 pin and 4 pin compatible - Each extension cable supports PWM function and speed regulation with a 4-pin female and 4-pin male port, which can also be used for 3-pin cpu fans Even more length - Each fan extension cable is 10.5 inches long for pc fan placement. size:30cm Material:nylon colour:black Package Contents: 25 x PWM Fan Extension Cable Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.