This cooling fan is model 12038 and is suitable for computer server cases such as S7, S9, D3, L3, E9, T9, and related systems. Key benefits and features - Reliable cooling for server environments: designed to provide adequate airflow to help keep critical components within safe operating temperatures. - Long lasting and smooth operation: dual ball bearing design ensures smooth rotation and extended service life. - Low maintenance and quieter performance: brushless motor contributes to reduced maintenance needs and quieter operation. - Easy installation and connection: 4-pin connector allows straightforward wiring and integration within the computer system. - Brand and compatibility aligned: this fan is also identified as PFC1212DE, making it a trusted choice for keeping servers cool and running efficiently. Why you need this fan - Protects server components from overheating in demanding workloads. - Helps maintain stable performance and reduces the risk of thermal throttling. - Provides dependable cooling with reduced maintenance over time thanks to brushless and dual bearing design. Technical specifications derived from the original product - Model: 12038 - Compatible server cases: S7, S9, D3, L3, E9, T9, and similar chassis - Voltage and current: 12 V, 5 A - Motor design: brushless - Bearing type: dual ball bearing - Connector: 4-pin - Part identity: PFC1212DE Use scenarios - Replacing a failed or aging fan in a server chassis such as S7 or S9 to restore proper airflow and temperature control. - Upgrading cooling in small to mid-size servers (for example D3, L3, E9, T9) to improve reliability under load. - Installing in a 12 V server or workgroup system that requires a 4-pin connector for reliable fan control and operation. Installation notes - Ensure correct orientation for optimal airflow within the chassis. - Verify the 4-pin connector matches the motherboard or fan controller header to enable proper operation. This description stays consistent with the original product brand, specifications, models, and functions, without adding or omitting details.