FOR NM-D621 5B21C99669 Laptop Motherboard — CPU N5100 UMA, 4G — HC15A HS16A — 500e Gen 3

Replacement laptop motherboard compatible with 500e Gen 3 models. Board identifiers: FOR NM-D621 / 5B21C99669. Built-in CPU: N5100 with UMA graphics and 4G memory. Board revisions/labels: HC15A and HS16A. Ideal as a direct replacement for systems requiring these exact part numbers and specifications.