Centon 1GB DDR2 SDRAM Memory Module - 1GB - 667MHz DDR2-667/PC2-5300 - Non-ECC - DDR2 SDRAM - 240-pin DIMM Allow convenient and fast access to the stored information your computer is actively using for maximum efficiency 667 MHz of memory speed makes your computer great at multitasking DIMM 1 GB memory smoothly executes complex apps and games DDR2-667/PC2-5300 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance 240-pin for faster, dependable performance and better access to data and information DIMM form factor with 240-pin and 1 GB memory size effectively reduces minimizes the load on the server memory BUS to ensure maximum productivity Unbuffered signal processing for dependable programmability of the processor for easy optimization of digital signals