80mmLow-NoiseHydraulic-Bearing Fan3-Pin Fixed-Speed FanEquipped with a standard 80×80×25mm fan featuring ahydraulic bearing for reduced friction, stable operation,and reliable performance.A clean, non-RGB design, ideal for office and home PCs.2200RPM±10%35CFMSpeedAirflow MAX20dBA±10%3 PinNoiseFan Connector
High-Density AluminumCooling FinsPrecisely arranged aluminum fins increase theheat dissipation area and improve heat transferefficiency, continuously drawing heat awayfrom the heatsink.
Faster and Easier InstallationLGA115X/1200/1700/1851AM3/AM4/AM5Locking PinBackplateThermal PasteNote: AMD requires to use the original backplate of the motherboard.







Specifications
| Model No. | S81 |
|---|---|
| CPU Socket | Intel LGA115X/1200/1700/1851AMD AM3/AM4/AM5 |
| Product Dimension | 86.5×61.5×111mm(L×W×H) |
| Heatpipe | Φ6mm×2pcs |
| Fan Dimension | 80×80×25mm |
| Fan Bearing Type | Hydraulic Bearing |
| Fan Speed | 2200±10%RPM |
| Fan Air Flow | 35CFM |
|---|---|
| Fan Noise | 20dBA±10% |
| Fan Rated Voltage | 12VDC |
| Fan Rated Current | 0.18A |
| Fan Power Consumption | 2.16W |
| Fan Connector | 3‑Pin |
| Warranty | 2years |
| Model No. | S81 |
|---|---|
| CPU Socket | Intel LGA115X/1200/1700/1851AMD AM3/AM4/AM5 |
| Product Dimension | 86.5×61.5×111mm(L×W×H) |
| Heatpipe | Φ6mm×2pcs |
| Fan Dimension | 80×80×25mm |
| Fan Bearing Type | Hydraulic Bearing |
| Fan Speed | 2200±10%RPM |
| Fan Air Flow | 35CFM |
| Fan Noise | 20dBA±10% |
| Fan Rated Voltage | 12VDC |
| Fan Rated Current | 0.18A |
| Fan Power Consumption | 2.16W |
| Fan Connector | 3‑Pin |
| Warranty | 2years |