The Total Micro 1GB DDR3 SDRAM Memory Module is designed to enhance the performance of your desktop PC. With a memory speed of 667 MHz and a capacity of 1 GB, this module is perfect for multitasking and running heavy - duty applications efficiently. It features a 240 - pin DIMM form factor and operates on DDR2 - 667/PC2 - 5300 standards, ensuring compatibility with a wide range of desktop systems. The unbuffered signal processing provides reliable optimization for your applications, while the lifetime warranty guarantees long - lasting performance and reliability.