Description: 100% brand new and high quality Features: This is a brand new cooling fan for laptop,this laptop uses two fans and this will replace either one.,each fan has 4 wires leading to a 4 pin connector. Compatible Models: PH315-52 PH317-53 Part Numbers: DC28000QEF0 DC 5V 4 PIN There are three types can be chosed :CPU Fan/GPU Fan/ CPU&GPU Fan. This is a very important and very daily accessory for protecting our laptop. Specifications: Material:Metal Dimension:Approx.70x70x15mm/2.75x2.75x0.59inches Net Weight: Approx.45g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 x CPU Fan /1x GPU Fan /1 x CPU Fan & 1x GPU Fan