Memory Speed; Table 7. Memory Speed Capabilities - Dell PowerEdge C6145 Technical Manual

Memory speed

The PowerEdge C6145 supports up to 1600MT/s memory performance with all channels and DIMMs
fully populated as long as the memory speed is 1600MT/s.
The memory frequency is determined by a variety of inputs, including the speed of the DIMMs. The
configuration of the DIMMs affects the speed of the processor.
Table 7 lists memory configuration and performance details for the PowerEdge C6145 based on the
population of the number and type of DIMMs per memory channel.
DIMM type DIMM 1
SR or DR
UDIMM
SR or DR
SR or DR
RDIMM SR or DR
*
Although the PowerEdge C6145 supports DIMM speeds of 800MT/s and 1066MT/s, you can only
purchase these systems with DIMM speeds of 1333MT/s and 1600MT/s on Dell.com/PowerEdgeC.
17 Dell PowerEdge C6145 Rack Server Technical Guide
Table 7. Memory speed capabilities
DIMM 2
Empty
SR SR
SR or DR
Empty
SR SR
DR
QR Empty
QR SR, DR, or QR
Maximum speed (MT/s)
Maximum
GB/channel
1.5V
DIMMs
8GB 1600
8GB 1600
16GB 1333
16GB 1600
16GB 1600
32GB 1600
32GB 1333
64GB 1066*
1.35V 1.25V
DIMMs DIMMs
1333 1333
1333 1333
1333 1066*
1333 1333
1333 1333
1333 1066*
1066* 1066*
800* 800*