1GB PC2100 266MHZ DDR CL2.5 DIMM Kingston is the world's largest independent memory manufacturer. 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 ASUS A7V266 (KT266DDR), A7V333, CUV266-DLS-DDR; Gigabyte GA-7DXDDR, GA-7VRX/GA-7VRXP, GA-8IRXP, GA-8SRX; Intel D845EBG2, D845EPT2, D845GBV, D845GLAD, D845GRG; Iwill XP333-R; MSI 845 Ultra-AR/ARU (MS-6398), 845 Ultra-C (MS-6566), 845 Ultra-C (MS-6566E); Intel Brookdale Chipset MS-6526GL/MS-6526G; K7N420 Pro (MS-6373), KT3 Ultra (MS-6380E), MS-6507L, MS-6533GL; Supermicro P4SGA P4SGL.