Hi, Yes it should be fine. The hynix guide doesn't show differences at that level. [URL]  
I requested two sticks of  HMT325R7BFR8C-H9 T2 AB from a vendor to replace two sticks that had failed. I received two sticks of HMT325R7BFR8C-H9 T7 AE instead.  Will these be compatible with the other HMT325R7BFR8C-H9 T2 AB in the same system?  Thanks.
Memory question