Supermicro FAN 0087L4 - Case fan - 40 mm - for Supermicro SC512F-260; SC512 F-280, F-280B, F-520, F-520L; SC811

1.57in fan(s) helps the compatible chassiss by maintaining a great balance of performance and efficiency The flawless rotation of up to 12000 rpm is just what you need for prolonged cooling