The TWINX512-3200C2 is a 512 MByte matched memory pair specifically designed for motherboards using chipsets with dual memory channels. Current dual channel chipsets include the Intel 865PE/G and 875P, and the Nvidia nForce2 Ultra. This memory kit consists of two CMX256A-3200C2 DDR400 CAS-2 memory modules that have been tested together on either an 875P or an nForce2 Ultra dual channel DDR motherboard. This memory has been verified to operate at 200MHz (2-3-3). TWINX memory kits are designed to provide the ultimate in performance and stability in dual channel boards