Owners Manual

Next steps
1. Follow the procedures in After working inside your system.
System memory
The NX440 contains four memory sockets organized into two channels. In each channel, the first socket is marked white and
the second socket black.
Figure 32. Memory socket locations
Memory locations and configuration
Memory channels are organized as follows:
Table 3. Memory channels
Channel 0 Channel 1
Slot A1 and A3 Slot A2 and A4
Table 4. Memory population
DIMM Type DIMMs
Populated/
Channel
Voltage
Operating Frequency Maximum DIMM Rank/
Channel
UDIMM 1 1.2 V 3200 MT/s or 2666 MT/s Single rank
The following memory configurations are currently available and supported for this system.
NOTE: 1R and 2R in the following table indicate single and dual-rank memory modules respectively.
Installing and removing system components 63