The G.Skill PC2-6400 2GB (2x1GB) DIMM 800 MHz DDR2 Memory modules are high-quality memory upgrades designed for computers that require fast and reliable performance. With a total capacity of 2GB spread across two 1GB modules, these DDR2 SDRAM modules offer high-speed data transfer at 800 MHz. The DIMM form factor makes them compatible with a wide range of systems, making them a versatile choice for enhancing your computer's memory capacity and speed. G. Skill is a trusted brand known for producing top-notch memory products, ensuring these modules will meet the needs of your computing needs.