The ADDU1600W4G11-S is a DDR3 memory module produced by Adata, known for their wide array of memory and storage solutions. This module is designed to meet the PC3-12800 standard, compatible with desktops that support 240-pin DDR3 memory slots. Operating at DDR3-1600 speeds, it ensures quick data transfer rates making it suitable for a variety of computing needs—from basic to moderately intensive applications. This UDIMM (Unbuffered DIMM) comes with a capacity of 4GB, structured in a 512Mx64 configuration. What sets the ADDU1600W4G11-S apart is its low voltage requirement of 1.35V, optimizing energy efficiency while maintaining robust performance. This feature not only reduces the overall energy consumption but also minimizes heat production, thus extending the module's lifespan. Adata's commitment to reliability and performance makes this 4GB DDR3 module a compelling choice for users looking to upgrade their desktop's memory with a focus on both efficiency and effectiveness.