Product Type: Case fan Width: 8 cm, depth: 8 cm, height: 3.8 cm, Fan Diameter: 80 mm, Fan Height: 38 mm, rotation speed: 5000 U / min, airflow: 68.3 CFM, Power supply: 4-pin Molex Connection, features: support PWM (Pulse-Width Modulation) noise: 45 dBA Designed For: Supermicro SC743I-645, SC743S1-650, SC743T-645, SC748S-R1000 | Supermicro A + Server 4022G-6F | Supermicro SC743 i-500B, T-665B, TQ-1200B, TQ-650, TQ-650B, TQ-865B, TQ-865B-SQ | Supermicro SC745 S2-R800, TQ-800, TQ-R1200B, TQ-R800, TQ-R800B, TQ-R920B | Supermicro SC747 TG-R1400B-SQ, TQ-R1400B, TQ-R1620B | Supermicro SC842 TQ-665B, TQ-865B, XTQ-R606B | Supermicro Super Server 7046T-6F, 7046T-H6R | Supermicro Super Workstation 7047R-3RF4 +, 7047R-TRF