PC Speed Controller Adapter Computer Case Fan Hub Cooling Speed Controller 12V Power Supply Cooler _x005f_x000D_ Feature: _x005f_x000D_ 1.Aluminum alloy knob: aluminum alloy speed control knob anti-skid design, good feel. _x005f_x000D_ 2.Power supply interface: large 4PIN D-type interface (4 pins side by side) auxiliary power supply. _x005f_x000D_ 3.Control 8 fans at the same time: support fans with small 3P/small 4P interface, connect 8 fans at the same time. _x005f_x000D_ _x005f_x000D_ 4.Excellent workmanship and outstanding quality: Double-layer blackened circuit boards are selected, and the advanced double-sided SMT patch technology is of reliable quality.  _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ 5.With LED light-emitting indicator, it is pasted on the back of the chassis, easy to install, compact and does not take up space. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Specification: _x005f_x000D_ Product Name: Manual Chassis Fan Speed Controller _x005f_x000D_ Voltage regulation range: 0v-12v _x005f_x000D_ Connectable fans: 8 fans _x005f_x000D_ Adjustment method: 3-level adjustment _x005f_x000D_ Installation position: any position of the chassis _x005f_x000D_ Power supply interface: large 4PIN D-type interface (4 pins side by side) auxiliary power supply _x005f_x000D_ Can support: small 3pin/large 4pin fan _x005f_x000D_ Product weight: about 13 grams _x005f_x000D_ Product size: about 45*33mm _x005f_x000D_ _x005f_x000D_ About installation: _x005f_x000D_ The principle is to adjust the input voltage. Some fans support 7V voltage to start, while some can only start up to 12V. Therefore, some fans will have a virtual position phenomenon during adjustment (similar to rotating a section of fan speed without response or no rotation), this is all It is a normal phenomenon and not a product quality problem, please pay special attention. _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ A single channel does not support fans larger than 1A. For violent fans with high power and high speed, please do not consider this hub. _x005f_x000D_ Please do not buy the fan of the mining machine, the speed cannot be adjusted. _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Fan Hub 1.Aluminum alloy knob: aluminum alloy speed control knob anti-skid design, good feel. 2.Power supply interface: large 4PIN D-type interface (4 pins side by side) auxiliary power supply. 3.Control 8 fans at the same time: support fans with small 3P/small 4P interface, connect 8 fans at the same time. 4.Excellent workmanship and outstanding quality: Double-layer blackened circuit boards are selected, and the advanced double-sided SMT patch technology is of reliable quality. 5.With LED light-emitting indicator, it is pasted on the back of the chassis, easy to install, compact and does not take up space.