Desktop Motherboard for 8100 / 8180 C - Part Numbers 531990-001, 505799-001

Replacement desktop motherboard compatible with 8100 and 8180 C systems. Matches OEM part numbers 531990-001 and 505799-001 for direct compatibility with the original mainboard in supported desktop units.You may also like Main Board for S551L / S551LN / S4000U / X405UQ / U4000U / UX310UV.