The Bestparts New CPU+GPU Cooling Fan Replacement for Razer Blade 15 Advanced (2021) - RZ09-0409 is a reliable and efficient solution for upgrading the cooling system of your Razer Blade 15 laptop. This replacement features advanced thermal design allowing for optimal heat dissipation, ensuring that your CPU and GPU remain cool under heavy workloads. The 12x Bottom Cover Screws provided ensure a secure and stable fit, eliminating the need for welding and providing a quick and easy installation process. This aftermarket part is designed to fit the 2021 Razer Blade 15 Advanced model, ensuring compatibility and longevity. With its 5V 0.5A rating and the inclusion of the DFS5K12304363E and DFS5K22115572J ID numbers, you can confidently replace your aging cooling fan with this advanced and durable solution.