Upgrade your mining rig with the MinerDude/Octominer 140MM Replacement Fan. This case fan is designed with a 4-pin power connexion and a maximum fan speed of 4000 rpm, ensuring optimal performance and cooling efficiency. The fan diameter of 140 mm and a maximum airflow volume of 240 cfm make it a perfect fit for your mining rig.The MinerDude/Octominer 140MM Replacement Fan is made of durable plastic and features a ball bearing type. It is compatible with brands like Bitmain, Iceriver, MinerDude, and Octominer. The fan\'s black color complements any rig setup. Get your hands on this tested and reliable replacement fan today!