42X4840 IBM System Board (Motherboard) for ThinkPad T400

Upgrade your ThinkPad T400 with the genuine 42X4840 IBM System Board, engineered to deliver reliable performance and seamless integration. This high‑quality motherboard is designed for durability, ensuring consistent operation even under demanding workloads. Its precise fit guarantees a hassle‑free installation, allowing you to restore your laptop’s original functionality or extend its life without compromising on speed or stability. Whether you’re repairing a long‑standing device or replacing a failed component, this board offers the same trusted performance you expect from IBM’s renowned engineering. Experience the confidence of a fully compatible, premium replacement that keeps your T400 running like new.