The CT6464Z40B is a DDR-400 64Mx64 memory module from Crucial, a brand known for producing reliable and high-quality memory products. This module is designed to meet the needs of standard desktop PCs that require an upgrade to their memory capacity and data processing speeds. Operating at a frequency of 400MHz, in line with the DDR-400 (PC3200) specification, it provides enhanced bandwidth and throughput compared to older DDR memory technologies. The 64Mx64 configuration refers to the data width and density of the memory, offering a balanced compromise between capacity and speed for general computing tasks. As a 184-pin DIMM, it is compatible with a wide range of desktop computers that support this memory standard. The CT6464Z40B is ideal for users who wish to improve their system's performance for daily computing activities, including web browsing, media playback, and document editing, benefiting from Crucial's reputation for reliability and performance.