The Supermicro FAN-0141L4 40mm counter-rotating fan is engineered to deliver reliable cooling performance for 1U server environments, making it an optimal choice for IT departments and system integrators seeking efficiency and reliability. Designed with a hot-plug feature, this fan enables seamless maintenance and upgrades without system downtime, crucial for maintaining operational continuity. Its compact dimensions and lightweight construction, including a 4 cm fan diameter and a weight of just 40 grams, ensure that it integrates effortlessly into space-constrained server configurations, such as the SC118G-1400B and SC818G-1400B models.