Only Opterons 246 and higher support DDR400 memory. Using DDR400, this system supports a maximum SIX ranks of memory per CPU. Six ranks is achieved with two Dual Rank DIMMs plus two Single Rank DIMMs.
MODULES MUST BE ORDERED AND INSTALLED IN PAIRS. Kingston offers "K2" kit part numbers for Dual Channel mode.
Mixing x4 and x8 modules is allowed, however not within the same bank. If featured, Chipkill technology is supported with x4 modules only.
KRX3200K2/xx parts have a timing of 3-3-3 (AMD approved)