The Axiom 1GB DDR - 333 SODIMM is a high - performance memory module specifically engineered for Sony laptops. With a memory speed of 333 MHz, this module ensures efficient management of multiple applications and computational tasks. It features a 200 - pin design and is compatible with various Sony VAIO models, providing a reliable and enhanced performance solution for your notebook. This non - ECC DDR SDRAM module is perfect for users looking to upgrade their system's memory capacity and speed.