Kingston, the world's largest independent memory manufacturer, has over 2, 000 memory products. In today's performance-driven environment, memory upgrades provide an easy, economical alternative to increase system performance. Every memory product Kingston offers is designed to help you get maximum performance at the best price to you. This product is designed for IBM ThinkPad T43 Pentium M 2669-xxx. For a complete compatibility list please refer to the original manufacturer's web site.