The Axiom 4GB DDR3 - 1600 SODIMM is a high - performance memory module specifically designed for Toshiba notebooks. With a speed of 1600 MHz, this DDR3 SDRAM module ensures smooth and efficient operation, allowing you to run multiple applications simultaneously without lag. The 204 - pin SoDIMM form factor is optimized for low power consumption, making it an ideal choice for portable devices. This memory module is compatible with various Toshiba models, including the Satellite L745 Series, Tecra R950, Tecra R940, and Satellite Pro C870 - 00D. Axiom's rigorous testing and engineering ensure that this memory module meets the highest standards of reliability and performance, making it a trusted choice for upgrading your laptop's memory.