This system supports Registered ECC (RDIMM) or Unbuffered ECC (ECC UDIMM) or Load Reduced (LRDIMM) memory. Mixing RDIMM, ECC UDIMM and LRDIMM is not supported within this system.
If only one processor is installed, only 8 DIMM slots are available. When populating with two processors 16 DIMM slots are available.
White DIMM slots designate the first slot of a channel. For 1 DPC (DIMM per channel) populate white slots only.
The Intel Xeon E5-2620 processor does not support DIMMs at 1.35V. Using the HP RBSU, 1.35V DIMMs can be changed to operate at 1.5V.
4GB DDR3-1333 Reg ECC modules come in two versions: 313/4G using x4 and 3138/4G using x8 DRAM. The two parts may be installed in the same system but not within the same memory bank. Use like modules for dual and triple channel operation.
Depending on the memory configuration and processor model, the memory speed may run at 1866MHz, 1600MHz, 1333MHz or 1066MHz. See latest ProLiant QuickSpecs for processor models and supported memory speeds.
1866MHz and 1600MHz Low Voltage memory requires E5-2600 v2 series processors.
Xeon E5-2600 v2 series processors require HP System ROM revision 09/08/2013 or newer. Revision 09/18/2013 or newer is required if using LRDIMMs.
DIMM slots 4 and 5 are not accessible when either E5-2690, E5-2643, E5-2643 v2, E5-2637 v2, or E5-2667 v2 is used. In a 2 processor configuration, there are 12 total available DIMM slots.
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