Are you looking for a performance upgrade for your PC? Are you looking to overclock and need to ensure a stable system? Then the CM2X2048-6400C5 is exactly what you need. This 2GB DDR2 SDRAM DIMM delivers outstanding performance in the latest generation of DDR2-based motherboards. At Corsair we test our memory extensively in multiple DDR2 motherboards to ensure compatibility and performance at its rated speed. This Corsair CM2X2048-6400C5 Performance DDR2 memory has been verified to operate at 800MHz at the low latencies of 5-5-5-18 in todays DDR2 Motherboards. This XMS2 has been NVIDIA SLI-Ready Certified and ensures compatibility and system stability with other SLI Certified components including NVIDIA nForce SLI motherboards and SLI-Ready power supplies! Look for the NVIDIA SLI Badge on motherboards you are looking to use with this memory and know that together they ensure compatibility and stability! Looking to overclock your memory but dont quite know how? Corsair partnered up with NVIDIA to bring you Enhanced Performance Profiles also known as EPP. This SLI-Ready memory with EPP allows you automatic access to special memory performance. Be ready for system overclocking and greater data throughput. NVIDIA EPP will essentially handle all the timings and other factors which will make boosting your memory a dream if you are looking to get into the overclocking scene.