Features: brand new and high quality It protects your valuable data by keeping your CPU GPU cool Keep your computer cool and comfortable on your lap or at your desk with this CPU GPU fan Made of high-quality material, it is durable in use,perfect design for high compatibility and excellent compose The CPU/GPU fan features efficient heat dissipation and low noise You can work as long as you like without overheating your computer Specifications: Material: Metal Color: Silver Power Supply: for DC 5V / 0.5A 4Pins Size: Standard Size (It can be applied if the hole positions are the same as shown in the picture) Quantity: 1 Piece Type: for CPU / for GPU / for CPU and GPU (Optional ) for: for Rescuer Legion- Y730 Y740 Y7000C Y9000K Cooler Radiator ND85C10-18B02 ND85C11-18B03 -18b04 Package Includes: 1 PC x Cooling Fan note: Here are two different fans/heatsink fit for those laptop's model,pleaes compare this fan / heatsink with yours before buying. How to maintain CPU fan 1.Do not put a computer in dusty places 2.regular cleaning of dust and lubricants, every six months or every year, it is recommended to bring anti-static gloves