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 memory is designed for the following systems: Abit AT7MAX2, KD7/KD7-RAID ASUS A7V8X IWILL KK400, KK4400-RS MSI KT4 ULTRA MS-6590 SOYO-SY-P4X400 Dragon Ultra motherboards. For a complete compatibility list please refer to the original manufacturer's web site.