XION AXP Alphawing Series 140mm H.S.B Bearing Retail Computer Case Cooling AXP-GF140-LEDBL (Black Transparency with Blue LED) Anti-acoustic low Noise level designed Long life expectancy of 60,000 hours in 40 degree C Driving Powerful air flow up to 51.02 CFM, operating at 1200 RPM. Best Wire Management and 3 to 4 pins Adaptor included. LED colors provided brilliant illumination while operating.