The Transcend 1GB DDR2 SDRAM Memory Module is designed to enhance your computer's performance with its 800MHz speed and 240 - pin DIMM form factor. This non - ECC memory module is perfect for heavy - duty applications, providing 1GB of memory to refine your system's capabilities. With unbuffered signal processing, it ensures higher accuracy and improved performance, making it an ideal choice for users looking to upgrade their memory. The 240 - pin interface multiplexes 2 - bit data from memory cells and I/O buses, minimizing processor idle time and enhancing overall system efficiency.