The Nanya 4x 512 MB DDR2 DDR2 Memory (NT512T64UH8A0FN37B) is a reliable and high-quality RAM module designed for computers and laptops. With a total capacity of 2 GB spread across four 512 MB modules, this SO-DIMM memory type offers fast data transfer speeds at a bus speed of PC2-4200 (DDR2-533). The compact design and 200 pins make it easy to install, ensuring seamless compatibility with various devices. The Nanya brand ensures a dependable product that meets the needs of both home and professional users looking to upgrade their memory capacity.