Genuine Lenovo 300e / N23 / N24 Series Motherboard — UMA R 4G 64G (Part 5B20P18544)

Factory-new genuine motherboard for Lenovo 300e, N23 and N24 series laptops. This OEM board is the UMA R variant and includes the 4G / 64G configuration. Supplied as part number 5B20P18544, it’s intended as a direct replacement for compatible models in the 300e/N23/N24 family.