Replacement Mainboard (1pc) for 4321S / 4421S / 4530S / 4730S — HSTNN-I98C / HSTNN-Q78C

This listing is for one (1) replacement main board compatible with model numbers 4321S, 4421S, 4730S and 4530S. Fits main board part numbers HSTNN-I98C and HSTNN-Q78C. Ideal as a direct spare or repair part for the specified models — sold as a single mainboard (1pc).