1. Perfect Fit for Dell Models: Designed specifically for Dell Alienware M17 R3 and for M17 R4 laptops, ensuring compatibility with part numbers 0H5TYJ, 0CNV63, ensuring a perfect fit and optimal performance to meet your laptop cooling needs. 2. Enhanced Cooling Efficiency: Designed to maintain optimal laptop performance, this replacement fan features dual CPU and GPU cooling mechanisms, with a power specification of DC5V 0.5A, running at DC12V, which effectively dissipates heat and prevents overheating during intense gaming sessions. 3. Durable and Reliable: The fan is made of high-quality materials to ensure long life and durability, reducing the need for frequent replacements. It runs quietly without disruptive noise, enhancing your gaming or working environment. 4. Easy to Install: This cooling fan features a user-friendly design and is easy to install. Matching the exact specifications of the old part, it is the perfect DIY solution for replacing old or faulty CPU and GPU fans. 5. Best Performance Guarantee: Providing the best cooling performance, using our cooling fans can help improve the overall performance and lifespan of your laptop, ensuring smooth and efficient operation, helping to extend the life of your laptop and maintain its efficiency. Cooling Method:fan-based Compatible Devices:Laptop Voltage:5 Volts Noise Level:19 dB Maximum Rotational Speed:5500 RPM The appearance and label may be different due to different factory batches, but it has no impact on the product Colour:Black Material:Aluminum Alloy Package Contents: 1 x CPU fan 1 x GPU fan