The SAME SKY CFM-4028BG-1100-418 is a high-quality DC fan designed for efficient and reliable cooling. With dimensions of 40x40x28mm, this compact fan is suitable for a wide range of applications where space is limited. Operating at 12VDC, it provides a balanced airflow to effectively dissipate heat. The fan's ball bearing construction ensures smooth and quiet operation, as well as increased durability and longevity compared to sleeve bearing alternatives. This makes it a dependable choice for demanding environments. Supreme Components International, as an authorised distributor, guarantees the authenticity and quality of this SAME SKY DC fan. Consider this fan for your next project requiring reliable thermal management.