Only AMD Opterons 246 and higher support DDR400 memory.
MODULES MUST BE ORDERED AND INSTALLED IN PAIRS. Kingston offers "K2" kit part numbers for Dual Channel mode.
Using DDR400, this system supports only four ranks of memory per CPU.
Mixing x4 and x8 modules is allowed, however not within the same bank. If featured, Chipkill technology is supported with x4 modules only.
KRX3200K2/1G are kits and can be installed one kit at a time.
KRX3200K2/xx parts have a timing of 3-3-3 (AMD approved)
KRX3200AK2/xx parts have a timing of 2.5-3-3