Optimal Cooling Performance: for your 3440 operates at safe temperatures with this high-quality replacement CPU cooling fan. It's designed to provide superior cooling to prevent overheating and maintain optimal performance. Compatible Models: Specifically designed for 3440, this fan replaces part numbers DFS5K12B15E6AE, BN7506S5H-002P, 0PKP5N, and PKP5N , ensuring a and easy installation. and Reliable: Crafted from robust materials, this cooler radiator guarantees long-lasting functionality and helps extend the lifespan of your laptop by keeping it cool under heavy usage. Quiet Operation: Engineered to operate quietly, it minimizes noise, allowing you to work or play without any distractions. Color: Black Material: Plastic+Metal Package Contents: 1 * Cooling Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.