Legendary silence, epic performance and features
For the highest performance, optimized fan blades, especially for heat sinks designed radiator corners and a speed switch with 3 selectable speed options, Silent Wings Pro 4 140mm PWM is the most progressive, performant, and versatile fan by be quiet!

Specification

Product
Product id	1011395
Brand	Be Quiet!
Partnr	BL099
EAN/UPC code	4260052188910
Warranty (months)	5-year manufacturer warranty
Performance
Suitable for rooms	Computer case
Type	Fan
Fan diameter	140 mm
Rotational speed (max)	2400 RPM
Noise level (high speed)	36.8 dB
Maximum airflow	97.41 cfm
Airflow	165.5 m³/uur
Maximum air pressure	3.64 mmH2O
Pulse-width modulation (PWM) support	Y
Bearing type	Fluid Dynamic Bearing (FDB)
Quantity per pack	1 stuk(s)
Mean time between failures (MTBF)	300000 uur
Design
Product colour	Black
Fan connector	4-pin
Certification	CE / ROHS / RU / UKCA / TÜV / WEEE
Power
Power consumption (typical)	6 W
Voltage	7 - 13.2 V
Rated voltage	12 V
Rated current	0.5 A
Maximum current	0.5 A
Weight & dimensions
Width	140 mm
Depth	140 mm
Height	25 mm
Weight	258 g
Fan dimensions (W x D x H)	140 x 140 x 25 mm
Cable length	0.5 m
Package width	156 mm
Package depth	206.5 mm
Package height	31 mm
Package weight	448 g
Packaging content
Screws included	Y
Number of screws	4
Number of clips	4
Other features
Harmonized System (HS) code	84733080
Country of origin	Germany
Logistics data
Quantity per shipping (inner) case	32 stuk(s)
Shipping (inner) case width	317 mm
Shipping (inner) case length	463 mm
Shipping (inner) case height	388 mm
Shipping (inner) case weight	15540 g