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4 Memory

The PowerEdge C6105 uses DDR3 memory to provide a high-performance, high-speed memory

interface capable of low-latency response and high throughput. The PowerEdge C6105 supports

registered ECC DDR3 DIMMs (RDIMM) and unbuffered DIMMs (UDIMM); standard-voltage and low-

voltage DIMMs available. The PowerEdge C6105 does not support ultra-low-voltage (1.25V) memory

or 1600MT/s memory.

The PowerEdge C6105 contains 12 memory sockets split into two sets of six sockets, one set per

each processor. Each six-socket set is organized into two channels of three memory sockets per

channel.

Supported memory

The DDR3 memory interface consists of two channels, with up to three DIMMs per channel for dual

rank. The interface uses 4GB, 8GB and 16GB RDIMMs, or 2GB and 4GB UDIMMs. The memory mode

depends on how the memory is populated in the system.

Note: AMD Opteron processors 4130 and 4122 do not support low-voltage DDR3 or C1E.

The PowerEdge C6105 supports the DIMMs listed in Table 7. For the latest information on supported

memory, visit Dell.com/PowerEdgeC.

Capacity

(GB)

Memory configurations

The PowerEdge C6105 server supports flexible memory configurations ranging from capacities of

2GB to 192GB and up to 12 DIMM slots. The C6105 has two memory channels per processor, with

each channel supporting up to three DIMMs.

The PowerEdge C6105 supports a flexible memory configuration according to these basic rules:



Speed: If DIMMs of different speeds are mixed, all channels across all processors operate at the

slowest DIMM's common frequency.



DIMM type: Only one type of DIMM is allowed per system. UDIMM and RDIMM cannot be mixed.

For more information on memory configuration, see the

Owner's Manual

on Dell.com/Support/Manuals.

Dell PowerEdge C6105 Rack Server Technical Guide

Table 7.

Speed

(MT/s)

1333

1066

1333

DIMMs supported

Ranks per

Type

DIMM

UDIMM

RDIMM

Dell PowerEdge C6105 Systems Hardware

Voltage

1.35