The R40W12BS5AC-55 Supermicro 12V DC 0.80A 40mm 3‑Pin Cooling Fan delivers reliable airflow for compact computing environments. Designed for low‑power applications, this 40‑mm fan operates at 12 volts and draws 0.80 amperes, ensuring efficient cooling while maintaining a modest power budget. The 3‑pin connector provides a simple, industry‑standard interface for easy integration into motherboards, chassis, or custom cooling solutions. Manufactured by Supermicro, the fan is engineered for durability and consistent performance, making it a suitable choice for servers, workstations, and other electronics that require dependable, quiet cooling.