MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode.
If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Maximum configurations require a 64-bit operating system.
This system supports either ECC or non-ECC Unbuffered memory. Mixing ECC and Unbuffered non-ECC modules is not supported within this system. Only systems with Xeon and Core i3 processors can utilize the ECC function.