XION AXP Alphawing Series 120 mm H.S.B Bearing Case Fan - Black/White (AXP-GF120-WT) Anti-acoustic low Noise level designed MTBF &gt; 60,000 hours Driving Powerful air flow up to 51.02 CFM, operating at 1200 RPM. Best Wire Management and 3 to 4 pins Adaptor included.