Wide Application Compatibility Perfect for 3D printers like Ender 3 and CR-10, as well as DVRs, PCs, and small electronics, this 40mm 24V fan (40x10mm) with a 1m cable and XH2.54-2PIN connector offers versatile cooling solutions for various setups. Powerful Cooling Efficiency Delivers 4.95 CFM (±5%) airflow and 0.086 in HO (±5%) pressure at 5000 RPM (±5%), ensuring effective heat dissipation in compact devices while keeping noise low at 26 dBA for quiet operation. Key Specs with Hydraulic Bearing Rated at 24V DC, 0.04A, and 0.96W, this fan features a hydraulic bearing for smooth, maintenance-free useunlike oil bearings that need lubricationoffering a hassle-free cooling solution. Certified Quality & Longevity CE, FCC, and ROHS certified for safety and reliability. The hydraulic bearing ensures a lifespan of up to 35,000 hours, with a suggestion of 8 hours daily use for sustained performance. Convenient Package & Usage Note Includes four 40mm 24V fans with 1m