FOR DG421 DG521 DG721 NM-B241 Laptop Motherboard — for 320-15ISK/IKB 520-15ISK 520-15IKB | CPU I3 7100U 4G-RAM

Replacement NM-B241 mainboard compatible with DG421, DG521 and DG721. Designed to fit laptop models 320-15ISK/IKB, 520-15ISK and 520-15IKB. Includes CPU I3 7100U and comes with 4G-RAM. A direct swap for restoring or upgrading the listed laptop models.