Description Features: This is a tested brand new and high quality cooling fan. This CPU cooling fan replacement suitable for Ideapad 320-15ISK 320-15AST 320-15IAQ 320-15IKB 320-14ABR series Made of high-quality metal, resistant to wear and longevity. This is a very important and very daily accessory for protecting our laptop. Small and exquisite, easy to replace and operate. Specifications: Power: 2.5W Bearing: Fluid Bearing Fan Life: 30000 hrs Fan Speed Control: 3000RPM Lines: 4 Lines Type: Fan Power Interface: 4pin Model Number: 320-15 Heatsink Material: Plastic+Metal Fan Size: Pls See the Pictures Used for: Ideapad 320-15ISK 320-15AST 320-15IAQ 320-15IKB 320-14ABR Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 x CPU Cooling Fan