Replacement Mainboard IH81M / H81M for M4500 & B4550 — 00KT289, 00KT266 (1PC)

One (1PC) replacement mainboard compatible with IH81M and H81M layouts, suitable for M4500 and B4550 systems. Listed under part numbers 00KT289 and 00KT266. Perfect as a direct swap for repairs or system restoration requiring the exact IH81M/H81M motherboard.