Optimized fan blades for the highest performance on heat sinks Small tip clearance and fan frame with funnel-shaped air outlets for extremely high air pressure Virtually inaudible operation at regular speed 6-pole fan motor for less vibration and power consumption Fluid-dynamic bearing enables very smooth operation Anti-vibration mounting with push pins for installation as a case fan An alternative screwed installation can replace the default mounting option PWM controlled fan speed through the motherboard Super-long lifespan of 300,000h Elegant look with high-grade fan sticker in an all-black design Silent Wings 4 120mm PWM, 1600RPM, 18.9dB, FDB, 48.7cfm, 82.74m3/hNo compromise silence and performanceSilent Wings 4 120mm PWM combines all features of a virtually inaudible with an extremely performant fan. A 6-pol-motor and anti-vibration mountings combined with fan blades optimized for maximum airflow make Silent Wings 4 120mm PWM the perfect choice for the most demanding applications in high-end systems. Performance Mean time between failures (MTBF) 300000 h Quantity per pack 1 pc(s) Bearing type Fluid Dynamic Bearing (FDB) Pulse-width modulation (PWM) support Yes Maximum air pressure 1.79 mmH2O Airflow 82.74 mÃâó/h Maximum airflow 48.7 cfm Noise level (high speed) 18.9 dB Rotational speed (max) 1600 RPM Fan diameter 12 cm Type Fan Suitable location Computer case Design Certification CE / ROHS / RU / UKCA / TÃÆÃ âV / WEEE Fan connector 4-pin Product colour Black Power Maximum current 0.13 A Rated current 0.12 A Rated voltage 12 V Voltage 5 - 13.2 V Power consumption (typical) 1.44 W Weight & dimensions Package weight 343 g Package height 31 mm Package depth 192 mm Package width 141 mm Cable length 0.5 m Weight 190 g Height 25 mm Depth 120 mm Width 120 mm Technical details Compliance certificates CE, RoHS, WEEE Packaging content Number of clips 4 Number of screws 4 Screws included Yes Other features Country of origin China Logistics data Shipping (inner) case gross weight 14.9 kg Shipping (inner) case height 37.5 cm Shipping (inner) case length 43.2 cm Shipping (inner) case width 38.7 cm Products per shipping (inner) case 40 pc(s) Harmonized System (HS) code 84733080 manual pdf leaflet Performance curve