

NO TOOLS AND ASSEMBLY NEEDED
- PACKAGE: Comes with 1pc USB powered fan (fans has been assembled) and equipped with protective fan guard and dust filter for more safer and cleaner use.
- FOR HIGHER AIRFLOW: Part 1 is fan guard cover for keep fingers and fan blades safe. Part 2 is a foam cotton for block dust,but they will restrict airflow,if you need high airflow please refer to the left picture for disassembly.

ABOUT NOISE ! ( IMPORTANT ) please take a look before purchasing
- Many customers complained loud & noisy, honestly speaking, only fan speed around 700RPM -900RPM, it is ultra-quiet (but few customers want it because of the low airflow), the most popular fan speed is 1200RPM in the market for pc cooling, can satisfied with daily cooling needs and not noisy.
- This USB fan speed is 1100RPM - 1500RPM (fan speed can be adjusted by USB controller), designed to be meet different customer's cooling needs
Products | |||||
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Dimension | (120*120*25mm)*2 | 120*120*25mm | 92*92*25mm | 120*120*25mm | (120*120*25mm)*3 |
Dimension | (4.72*4.72*0.98inch)*2 | 4.72*4.72*0.98inch | 3.62*3.62*0.98inch | 4.72*4.72*0.98inch | (4.72*4.72*0.98inch)*3 |
Airflow | 93CFM*2 | 88CFM | 48.2CFM | 40-75CFM | 93CFM*3 |
Speed | 1100-3000RPM | 3000RPM ±10% | 3000RPM ±10% | 800-2200RPM±10% | 1100-3000RPM |
Current | 0.2-0.82A | 0.6A | 0.2A | 0.21A | 0.2-0.82A |
Connector | 5.5x2.1mm Female | 3PIN | 2 PIN XH2.54 | 4PIN PWM | 5.5x2.1mm Female |
Bearing Type | Dual Ball | Hydraulic | Hydraulic | Hydraulic | Dual Ball |
Noise | 39.8dBA*2 | 48dB | 37.5dB | 22-38dB | 39.8dBA*3 |
Voltage | 3.3-12V | 12V | 12V | 12V | 3.3-12V |
Packing | 1 PCS | 2 PCS | 2 PCS | 3 PCS | 1 PCS |