Features: brand new and high quality It protects your valuable data by keeping your CPU cool Keep your computer cool and comfortable on your lap or at your desk with this CPU fan Made of high-quality material, it is durable in use,perfect design for high compatibility and excellent compose The CPU GPU fans feature efficient heat dissipation and low noise, with for DC Brushless motor You can work as long as you like without overheating your computer Specifications: Material: Metal Cable: 4Pins Power Supply: for DC 5V / 0.5A Color: Silver As Shown 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: For X540SA VM520U X540S X540SC X540LA X540LJ X540YA X540L X540 F540 Note: 1. It is best to remove the current fan from the laptop and compare it with the pictures included in the list. 2. Due to manual measurement, please allow an error of 0-1cm. Please make sure you don'for t mind before bidding. 3. Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks! 4.Only the cooling fan, does not include other accessories in the picture! Package includes: 1 PC x Cooling Fan