The ASUS VivoBook X509 X409 DFS561405PL0T FMK5 laptop CPU cooling fan cooler is a high-quality replacement part designed specifically for ASUS laptops. With a sleek black color and made of durable plastic, this fan features a 4-pin power connection and operates at 5V voltage. Manufactured in China and backed by a 3-month manufacturer warranty, this cooling fan is essential for maintaining optimal temperature levels for smooth and efficient laptop performance. Perfect for ASUS users looking for reliable CPU cooling solutions, this fan ensures longevity and effective cooling for their devices.