The CT12864BA1339 memory module by Crucial is designed to enhance the performance of desktop systems requiring DDR3 memory. This module features a 128Mx64 UDIMM configuration, indicating a structure that combines 128 Megabit chips in a 64-bit interface, optimized for efficient data handling and improved system responsiveness. With 1GB of capacity, it's ideal for users looking to upgrade older systems or expand their computer's memory within a budget. Operating at a speed of DDR3-1066 (PC3-8500) and with a latency of CL7, it strikes a balance between speed and timing for improved system performance. The 240-pin design ensures compatibility with a wide range of DDR3 motherboards, making it a versatile choice for various system builds and upgrades. Crucial, a brand known for its reliable and high-quality memory solutions, ensures that this module meets stringent quality standards for performance and stability.