The 655199_4GB_256Mx8_16C module by OEM SpecTek is designed for users who require high performance and reliability from their laptop or small form factor PC. This DDR3 1333 SODIMM module features a total capacity of 4GB, utilizing a 256Mx8 configuration across 16 chips to provide efficient data processing and speed. Operating at 1333 MHz, this DDR3-1333 512Mx64 SODIMM module with 204 pins ensures excellent compatibility and a significant boost in performance for both current and legacy systems. Ideal for upgrading your system, this memory module supports demanding applications, enhances multitasking capabilities, and delivers a smoother computing experience. Its reliable performance and compatibility make it a smart choice for enhancing the functionality of your computer.