5C50N00699 – Lenovo Laptop USB Daughterboard – Genuine

This USB Daughterboard (5C50N00699) is a genuine part specifically designed for Lenovo laptops. It serves as a critical component within the device’s internal architecture, enabling the connection and communication of USB peripherals by expanding the number of available USB ports. Also known as “USB expansion board,” this part is essential for users looking to connect multiple devices such as flash drives, external keyboards, mice, and other USB-compatible devices to their Lenovo laptop. If your laptop struggles to recognize USB devices, intermittently loses connection with connected peripherals, or simply lacks sufficient USB ports for your needs, this USB Daughterboard may be the solution. It is designed to be user-replaceable, but be sure to consult your laptop’s service manual or professional guidelines to ensure proper installation. Before purchasing, verify your device’s model number to ensure compatibility with this part.

iFixit is an official Lenovo partner. Our Genuine Lenovo parts are supplied by the official Lenovo supply chain.

This OEM part may be new or refurbished by Lenovo. Lenovo Certified Refurbished products are extensively screened, repaired, tested, and cleaned to high Lenovo standards, but may contain cosmetic imperfections.