Cooler Master SickleFlow 80 Case & Cooling Fan - 80 mm, Improved Air Balance Blades, 30 CFM, 2.75 mmH2O, 6 to 25 dBA - Black

ECLIPSE BLACK, VERSATILE PERFORMANCE - The sober non-led Black style and the performance of SickleFlow 80 fan make it a versatile option for any air circulation needs UPGRADED BLADE DESIGN - The latest Air Balance fan blades are both larger and more curved to deliver optimised air flow (30 CFM) and pressure (2.75 mmH2O) CASE & COOLER READY - Due to their hybrid blade design, SickleFlow fans are an excellent choice for cases with obstructed airflow (extra air pressure) or for heatsinks and radiators that have widely spaced fins (or outdated fans) REINFORCED FRAME - The 80 mm square housing has been updated with additional rib support which improves mechanical efficiency while dampening vibration and noise (6~25 dBA) NEW BEARING SEALANT - The rifle bearing features a two-tier sealing mechanism to protect against dust and leakage, thereby improving durability (160,000 MTTF) and outperforming competitors in its fan bearing class (650~2500 RPM)