PURE WINGS 2 | 140mm BL047 Outstanding Reliability And Silent Cooling The Pure Wings 2 family fans are unique in itheir class, combining outstanding reliability, silent cooling, and a great price-for-performance ratio. It’s impressive how much quiet technology the German engineering team has crammed into these fans at this amazing price. They are the ultimate reason to put well-known be quiet! silent cooling in your PC if you haven’t already done so. The Pure Wings 2 140mm model is the largest fan we offer that combines all of the above essential features. It provides maximum cooling airflow and operating noise levels down to a silent 18.8 dB(A). The increased air pressure makes the fans especially recommended for use in water cooling and air cooling setups. Features: Practically Silent Operation Nine silence-optimized fan blades with high airflow capabilities reduce noise-generating turbulences while increasing air pressure Very quiet operation even at maximum speed, with noise of 18.8 dB(A) Product conception, design and quality control in Germany Perfect choice for Home and Office PCs, Gaming and Multimedia systems Especially recommended for use in water cooling and CPU cooling builds High-quality rifle bearing technology contributes to a very long lifespan of up to 80,000 hours Three year warranty Quick support is available via our international hotline (+49 (0) 40 736 76 86 – 44), Mondays to Fridays from 0900 to 1730, German local time Specifications: Dimensions (L x W x D), (mm) 140 x 140 x 25 + SilentWings - Fan speed @ 12V (rpm) 1000 Air flow @ 12V (cfm, m3/h) 61.2 / 104 Air pressure @ 12V (mm H2O) 0.76 Noise level @ 12V ( dB(A)) 18.8Mechanical spec Dimensions (L x W x D), (mm) 140 x 140 x 25 Bearing type Rifle Weight incl. fixed cables (kg) 0.16 Push pin fixing - Screw fixing ✓Cables & Connectors Connector 3-Pin Cable length (mm) 450 Cable sleeve -Performance & Noise Fan speed @ 12V (rpm) 1000 Air flow @ 12V (cfm, m3/h) 61.2 / 104 Air pressure @ 12V (mm H2O) 0.76 Noise level @ 12V ( dB(A)) 18.8 Lifespan (h / 25°C) 80.000Electrical specs Rated voltage DC (V) 12 Starting voltage DC (V) 5 Operating voltage DC (V) 5 ~ 12 Current consumption (A) 0.09 Safety current (A) 0.09 Input power (W) 1.08Accessories 3pin to 4pin Y-connector - 12V to 7V adapter - 12V to 5V adapter - Screws 4 Push pins - Silica gel washer - Others -Safety certification Approvals CE, TÜV, ULService Warranty (Years) 3 International hotline / free of charge ✓ / DE, FR