NM-B452 Laptop Motherboard (5B20P99169) — Supports CPUs I78550U, I77500U, I37020U — Compatible with EG521/522/721, EZ511, 320-15IKB, 330 Touch, 330-17IKB

Replacement NM-B452 motherboard compatible with multiple factory part numbers: 5B20P99169, 5B20P25844, 5B20R20239, 5B20R19883 and 5B20R19926. Designed to work with CPUs I37020U, I77500U and I78550U. Fits laptop model series including EG521, EG522, EG721, EZ511, 320-15IKB, 320, 330 Touch-15IKB and 330-17IKB. This board is a direct-fit option for systems requiring the NM-B452 mainboard and the listed part numbers and processors.