The Corsair Dominator DDR2 1066 4 GB 2x2 GB with RAM Cooler is a high-quality memory kit designed for optimal performance and reliability. With a total capacity of 4 GB spread across two 2 GB modules, this DDR2 SDRAM RAM kit is perfect for upgrading your system's memory. The Corsair Dominator model ensures top-notch quality, backed by a lifetime manufacturer warranty, making it a dependable choice for enhancing your computer's speed and efficiency. Additionally, the RAM cooler included in the package helps to dissipate heat and maintain stable performance, making it a valuable addition to any computer setup.