FOR 6 Motherboard IQ4X0IL1 (NM-C621) — Compatible with M70q, M80q, M730q, M930q | 5B20U54378 / 5B20U54371

Replacement FOR 6 motherboard for M70q, M80q, M730q and M930q systems. Model: IQ4X0IL1 (NM-C621). Part numbers: 5B20U54378 and 5B20U54371. Use this mainboard as a direct swap for the listed machine models—please confirm your device’s part number matches one of the above before ordering.