Features: Genuine E5470 OXGYJW heatsink ensures perfect compatibility and installation, designed specifically for seamless CPU cooling fan replacement in compatible laptop models. engineered metal construction delivers stable thermal with rapid heat dissipation, featuring components optimized for low noise operations and long lasting reliability. Ideal for enthusiasts and technicians seeking OEM grade laptop repair parts to replace worn/damaged cooling systems in E series business laptops. Restores optimal thermal management during intensive tasks like gaming, video editing, or multitasking, maintaining consistent processor in office and mobile computing environments. This factory heatsink assembly combines robust aluminum fins and copper heat pipes for enhanced cooling efficiency, effectively preventing thermal throttling while operating at quiet 22dB noise levels. Specifications: Component: Metal Size: 7.7×8.1cm Applicable model: E5470 OXGYJW Function: Laptop CPU Package Includes: 1pc E5470 OXGYJW Radiator CPU note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.