The NF-A8 is a highly optimised, premium quality quiet 80mm fan. Featuring Noctua\'s AAO (Advanced Acoustic Optimisation) frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A8 further improves the renowned quiet cooling performance of the award-winning NF-R8. The ULN version provides super-slow 1400/1100rpm speed settings for ultra-low-noise applications and highly noise sensitive users who demand near-silent operation. Its superb running smoothness, reference-class SSO2 bearing and Noctua\'s trusted premium quality make it an elite choice for the highest demands.Specifications:- Dimensions: 80 x 80 x 25 mm (W x H x D)- Material: Plastic- Normal Mode: 1400 U / min, 10.4 dB (A) 34.8 m / h- With LNA: 1,100 rev / min, 6.5 dB (A) 25.6 m / h- Voltage: 12 V- Power consumption: 0.6 W, 0.05 A- Connector: 3-pin, 4-pin Molex adapter- Life expectancy 150,000 h- Manufacturer Warranty: 6 years- Accessories: - 1x power adapter (ULNA) - 3: 4-pin adapter - 30 cm cable extension - 4x Fan screws - 4x Vibration inhibitors