The CMX4GX3M2A1333C8 from Corsair is part of their XMS3 line of high-performance desktop memory, offering an optimal blend of speed, reliability, and compatibility. This kit consists of two 2GB modules, summing up to a total capacity of 4GB, designed to operate at the DDR3-1333 (PC3-10600) standard. Unbuffered and without ECC, this memory kit targets enthusiasts and gamers seeking to upgrade their desktop systems for improved performance in demanding applications and gaming. Each module is crafted with a 256Mx64 configuration, devoid of ECC, to prioritize speed and latency improvements over error correction, and features 240 pins for compatibility with standard DDR3 motherboards. Corsair, recognized globally for their reliable and performance-oriented memory solutions, ensures that this UDIMM kit not only meets but exceeds expectations for those looking to push their system's capabilities further.