Features: 1.SCOPE OF APPLICATION: CPU GPU cooling fan replacement for Dell Alienware 17 R4 R5 P31E, which is perfect match for your laptop. 2.EFFICIENT COOLING: CPU GPU cooling fan is made of iron and ABS material, which effectively reduces the temperature and prolongs the life of your computer. 3.EASY INSTALLATION AND REMOVAL: Laptop CPU cooling fan is easy to connect with 4 pin connector, easy to install and remove, save time and effort. 4.COMPACT AND LIGHTWEIGHT: Laptop GPU cooling fan is compact and lightweight, reducing the burden on your laptop and improving work efficiency. 5.ROBUST AND DURABLE: Replacement CPU GPU fan is rugged and long lasting, can replace damaged and old parts. specification:Item Type: CPU GPU Cooling Fan Material: Iron, ABS Voltage: DC5V Current: 0.45A Connector: 4pin Suitable: For Dell Alienware 17 R4 R5 P31E Fan PackageList: 1 x CPU Cooling Fan 1 x GPU Cooling Fan