The G.Skill PC2-6400 4GB 2x2GB DIMM 800 MHz DDR2 Memory is a high-quality RAM module designed for desktop computers. Made by G. Skill, a reputable brand in the industry, this memory module features a total capacity of 4GB split into two 2GB modules. With a bus speed of PC2-6400 (DDR2-800) and a lifetime manufacturer warranty, you can trust in the reliability and performance of this DDR2 SDRAM memory for your computing needs. Additionally, the DIMM form factor and 240 pins ensure compatibility with a wide range of motherboards.