Faster memory will clock down to run at optimal speed and voltage depending on processor model and number of modules installed.
MODULES MUST BE ORDERED AND INSTALLED IN GROUPS OF THREE for Triple Channel mode. Kingston offers "K3" kit part numbers for Triple Channel mode.
If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). A 64-bit Operating System is required to utilize more than 4GB of memory.
Kingston offers Unbuffered ECC UDIMM and Registered RDIMM memory modules. Modules of different memory types CANNOT be mixed within the same system.