DF1203812B2UN A1 DC 12V 2.7A 120x120x38mm 4Wire Server Cooling Fan A current, 4wire DC cooling fan sized for standard 120x120x38mm mounts. Designed to deliver controllable cooling for servers, networking equipment, and industrial systems that require reliable temperature management and realtime speed control. Key benefits Precise speed control and monitoring: 4wire interface supports PWM speed control and tachometer feedback for integration with system fan controllers and motherboards. Strong cooling capacity: 12V and 2.7A rating supports higher airflow demands common in server and industrial applications. Standard form factor for easy replacement: 120x120x38mm dimensions fit common fan mounts and housings for quick installation. Helps maintain system stability: consistent cooling reduces thermal throttling risk in densely packed equipment. Simple integration: compatible with equipment that accepts a 4pin PWM fan connector. Main specifications Model: DF1203812B2UN A1 Voltage: DC 12V Current: 2.7A Size: 120 x 120 x 38 mm Connector: 4wire (power, ground, tachometer, PWM) Application type: Server cooling fan Practical use scenarios Data center server racks: or upgrade fans in rack servers to enable PWMbased speed control and maintain consistent inlet temperatures. Network and storage equipment: Use in switches, routers, NAS enclosures, and other dense hardware where controlled airflow and RPM monitoring are required. Industrial control panels and enclosures: Install in equipment cabinets and control systems where a standard 120x120x38mm fan with predictable power draw is needed. Installation and compatibility notes Fits standard 120x120x38mm mounting patterns and accepts common 4pin PWM fan headers. The 4wire connector enables systemlevel speed control and RPM feedback. Verify the host controller supports PWM fans for full functionality. Ensure adequate clearance and correct airflow direction during installation. This unit provides a straightforward, specificationdriven replacement or upgrade option for systems that require a 12V, 2.7A, 120x120x38mm fan with PWM control and RPM monitoring.