| 80mm x 80mm x 25mm Quiet 15 dBA Blue Led Retail Boxed - Screws and connectors included Xilence maybe a brand that you do not recognise, but rest assured that the we have evaluated their products and we are more than happy not only with the quality of the products but also, and sometimes more importantly the noise levels. The Xilence fans are not only excellent value for money. The bearings used in the Xilence fans are hydro bearings, which produces very low vibration noise. Each fan is supplied with mounting screws and can be powered by a 3-pin motherboard socket or a spare 4-pin Molex connector | dimensions: | 80x80x25mm | | voltage: | 12 VDC | | start voltage: | 7 VDC | | power consumption: | 0,84 W | | rated current: | 0,07 A | | fan speed: | 1.500 rpm +/- 10% | | bearing type: | hydro bearing | | max. air flow: | 19,6 CFM | | air pressure: | 1,12 mmAq | | noise level: | ~ 15 dB | | weight: | 60 g | | connectors: | big 4pin (hdd), 3pin molex | | certificates: | CE | |