Quiet Mode Cable Adapters Speed Reduction Solution Quiet Adapters Reduce & Noise Rank Upgrades for PC Case Fan

Features: There a two types o connectors or sale: 3 pin and 4 pin connector. 3 pin connector is dedicated for regular 3 pin case fansr 4 pin connector is dedicated for PWM controlled fans which can work with a variable speed. This simple connector let your PC case fan to run in Quiet mode. Built-in resistor, reduce fan's speed about 35%, so your case will be more quiet and more comfortable for your ears.

Specifications: Material: PVC+metal Type: 3 pin/4 pin(optional)

Package Includes: 1xPC Case Fan

note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.