The Accortec 256MB DDR2 SDRAM Memory Module is designed to provide efficient and fast access to the information your computer is actively using. With a memory speed of 400 MHz, this module is perfect for managing a variety of applications and computational tasks, ensuring smooth performance whether you're gaming, running a heavy operating system, or using video editing software. The 144 - pin DIMM form factor and DDR2 - 400/PC2 - 3200 interface allow for efficient data transfer rates, making it an ideal choice for users looking to enhance their system's memory capabilities. This memory module comes with a lifetime warranty, ensuring reliability and peace of mind for your computing needs.