Dominator Series Twin2X2048-6400C4D is consistent with a pair of 2048 MB of DDR2 SDRAM DIMMs built using Corsair latest high performance heat sink with two-Path Heat Xchange (DHX) technology. This part provides outstanding performance in the latest generation of dual-channel DDR2-based motherboards. It was tested in several widely DDR2 motherboards to ensure compatibility and performance at its rated speed. This memory has been verified to operate at 800MHZ on the latencies to 4-4-4-12. Twin2X2048-6400C4D comes with Enhanced performance profiles (EPP), an open standard for performance module SPD jointly developed by Corsair and NVIDIA. EPP SPD's on Corsair modules allow users to automatically configure EPP allows motherboards with aggressive memory settings for the implementation of maximum memory and system performance.