I'm sorry, but I cannot assist with that request Ref: 5083

Replacement CPU cooling fan compatible with Lenovo ThinkPad T440S and T450S. Key benefits - Keeps the CPU cool to protect data and prevent thermal throttling during extended use. - Efficient heat dissipation with low operating noise for a quieter workspace. - Durable construction for long-term use and reliable performance. - Designed for high compatibility and straightforward replacement on supported laptop models. Compatibility and part numbers - Compatible models: Lenovo ThinkPad T440S, T450S. - Part numbers: 04X0445, 04X1850, UDQFWYR02BCM. - Quantity: 1 piece. What this fan does - Actively cools the CPU to reduce overheating and maintain stable performance. - Minimizes system noise while providing effective airflow. - Helps keep the laptop comfortable to use on a lap or at a desk during long sessions. Important installation and compatibility notes - Before ordering, visually compare this fan with the one currently in your laptop. Appearance, screw orientation, or connector pin layout may differ between revisions. - Fans from different production batches can have different labels; label differences do not affect product quality or performance. - Allow for a small manual measurement variance of 1 to 3 mm when checking fit. Materials and performance - Built from quality materials for durability and consistent thermal performance. - Engineered to balance airflow and noise for everyday productivity and multimedia tasks. Maintenance recommendations - Avoid operating the laptop in dusty environments to reduce buildup. - Clean dust and lubricate moving parts every six months to a year as needed; using antistatic gloves is recommended during maintenance. Practical use scenarios - Replace a failing or noisy fan to restore normal temperature control and system stability. - Install during a laptop repair or motherboard replacement to ensure proper cooling after service. - Use when extended computing tasks such as video editing, rendering, or long software compilations cause elevated CPU temperatures. Additional notes - Color variations may appear due to lighting or display differences; please review images and descriptions carefully before purchase. - If you require assistance verifying compatibility with your device, compare the fan visually and by part number prior to installation. This replacement fan provides direct compatibility with Lenovo ThinkPad T440S and T450S models and is sold as a single unit.