Optiplex 390 Tech Guide  NOTE: Memory modules should be installed in pairs of matched memory size, speed, and technology. If the memory modules are not installed in matched pairs, the computer will continue to operate, but with a slight reduction in performance. The entire 8GB memory range is available to 64-bit operating systems. MT DT SFF Type: DDR3 Synch DRAM Non-ECC Memory 1333MHz DIMM Slots 2 2 2 DIMM Capacities Up to 4GB Up to 4GB Up to 4GB Minimum Memory 1GB 1GB 1GB Maximum System Memory 8GB1 8GB1 8GB1 Memory configurations 8GB1 DDR3, 1333MHz, (2 DIMM) X X X 4GB1 DDR3, 1333MHz, (1 DIMM) X X X 3GB DDR3, 1333MHz, (2 DIMM) X X X 2GB DDR3, 1333MHz, (1 DIMM) X X X 1GB DDR3, 1333MHz, (1 DIMM) X X X
hi. I have to replace the ram of my OptiPlex 390 i3. what kind of ram should I use? thank you.
change ram