DUAL BALL PWM: 2x70mm dual ball bearing high performance gpu cooler fan (while others 50mm) for better cool capacity but not noisy,long lasting ,with 4pin connector,fan speed can be adjusted from 1500RPM-2800RPM according to inner working temperature automatically. | LIGHTWEIGHT & STURDY: The backplate memory cooler was designed with aviation aluminum 6061, value choice between lightweight ,sturdy and antioxidation.1.5mm thickness(while others 1mm),larger area of dissipation for better cool capacity. | UPGRADED ELASTIC LATCH: With elastic latch,compared with others,it is more flexible and sturdy,very easy operation. | APPLICATION: This elegant gpu backplate cooler was designed for RTX 3090,also can be compatible with RTX 3080 3070 ,just please make sure that the radiator will be installed on flat surface. | ATTENTION: It didn’t come with thermal pad,you can add high power consumption thermal pad for better cool capacity. Product size: 180x90x15mm( 7.09x3.54x0.59inch), Fan size: 2x (70x70x15mm) ,Fan speed:1500-2800RPM ,Fan cable:50cm / 19.69inch ,Fan noise: 16-20dBA.