3-year next-business-day limited on-site service for TravelMate notebook with 3-year limited warranty (Runs concurrently with limited warranty.) Available for: TravelMate 6593, 6493, 6293, 5730-6288, 4730-6447. Please note that for ALL notebook and netbook service upgrades: The end-user must purchase and register the upgrade within 90 days of the notebook/netbook purchase. Only one upgrade per notebook/netbook may be purchased.