easycargo raspberry pi 4 fan 30x30x7mm, raspberry pi cooling fan brushless 3.3v 5v dc quiet fan for raspberry pi 4b, pi 3b+, retroflag nespi case (30mmx30mmx7mm) (black 4-set) easycargo easycargo edl3007s05 raspberry pi 4 cooling fan is built for low-noise and durable cooling performance. this fan is suitable for raspberry pi b / raspberry pi b+ / raspberry pi a+ / raspberry pi 2, pi 3 model b and b+ and raspberry pi 4b. the one-to-two wire connector pins of this fan, can get connected into raspberry pi 3.3v or 5v pin to provide optional fan speed and optimum air flow adjustment. this fan can be installed for most of the standard raspberry pi cases and also is compatible with retroflag nespi case. <p> specifications: <p> <p> - fan size: 30mm x 30mm x 7.5mm (lxwxh)<p> <p> - wire length: 2.6 inches (66mm) <p> <p> - connector: one-to-two pin <p> <p> - color: black <p> <p> - bearing type: hypro bearing <p> <p> - operating voltage: dc 3.3v - 5v <p> <p> - start up voltage: dc 3v <p> <p> - current: 120 ma <p> <p> - speed: 5000rpm±15% <p> <p> - airflow: 1.79cfm <p> <p> - noise level: 15.92dba <p> <p> - life time: 30,000 hours <p> <p> package includes: 4 pieces easycargo edl3007s05 raspberry pi fan, together with screws and nuts set.