The CT51264BA160BJ.C8FER is a DDR3 memory module from Crucial Bulk, designed for use in desktop systems. It offers 4GB of RAM and operates at a speed of DDR3-1600 (PC3-12800), with a 240-pin configuration that ensures compatibility with most DDR3-enabled motherboards. This module's specs, including its 512Mx64 UDIMM design, allows for efficient data processing and multitasking, making it an ideal upgrade for anyone looking to improve their system's performance. With Crucial's reputation for high-quality and reliable memory products, this module is a solid choice for system builders and upgraders who demand the best in terms of performance and stability for their computing needs.