Advance series 80 mm x 80 mm long life bearing performance fan, Features:, Model: CF-08LB, 80 x 80 x 25 mm long life bearing case fan, Special high profile fan blades for maximum air flow, Provide excellent ventilation for your PC cases, Design for up to 100,000 hrs life expectancy, High performance, High reliability, 3 Pin/4 Pin Connector SKU: KWITNL028