The 656167_4GB_256Mx8_16C module is a DDR3 SODIMM offering from Elpida UTT, tailored for users seeking to boost their laptop or small form factor PC's memory. This 4GB module uses a 512Mx64 configuration with 256Mx8 16C components, ensuring solid performance and reliability. Operating at DDR3-1333 speeds, it delivers the bandwidth needed for efficient data processing, contributing to smoother multitasking and enhanced system responsiveness. The module's 204-pin interface ensures compatibility with a vast array of systems supporting DDR3 technology, making it a wise choice for those looking to extend the life and increase the performance of their existing devices.