The Axiom 1GB DDR - 266 SODIMM is a high - performance RAM module specifically engineered for Dell laptops, including the Latitude D500 and Latitude X300. Operating at a speed of 266 MHz, this DDR266/PC2100 memory module enhances your computer's performance by efficiently managing various applications and computational tasks. With a 200 - pin configuration, it ensures optimal reliability and compatibility, making it an ideal choice for notebook devices. Each module is manufactured to meet or exceed OEM specifications, fully tested for quality assurance, and backed by a lifetime warranty, providing peace of mind for users.