Features: Original replacement CPU cooling fan for 911 AIR Edition and RP46 laptops ensures stable performances with rapid heat dissipation and whispering quiet operating below 25dB. Precise engineered metal construction delivers enhanced durability and precise airflos control, featuring standard dimensions for seamless compatibility and eastinstallation. Ideal for gamers and professional seeking to restoing optimal thermal management in 911 AIR or RP46 laptops with damaged/aged cooling systems. Maintains laptop performances during extended gaming, intensive multitasking, or high load applications through efficient temperature regulation. Direct OEM replacement eliminates compatibility concerns, providing factory grade cooling efficiency to prevent thermal throttling while ensuring qtietkspace environments. Specifications: Componenta Metal Size:about 7×6.8cm/2.76x2.68in Applicable model: for 911 AIR / 911 A Edition Function: Laptop CPU cooling Package Includes: 1PC Cooling CPU Fan note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.