Corsair XMS2 2GB (1x2GB) DDR2 800 MHz (PC2 6400) Desktop Memory This CM2X2048-6400C5 memory was designed and tested to ensure 100% Compatibility with today's current PC's and motherboards Enhanced Performance Profiles ( EPP ) allows automatic overclocking to aggressive performance settings Online 24/7 Customer Support available at www.asktheramguy.com for your convenience and questions This XMS2 memory has been verified to operate at 800MHz at the low latencies of 5-5-5-18 Peace of Mind - Corsair stands behind each memory module with a Lifetime Warranty