Cisco Cisco UCS B250 M2 Extended Memory Blade Server Data Sheet

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Cisco UCS B260 M4 Blade Server (with Intel® Xeon® E7 v4 CPU)
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CONFIGURING the SERVER
DIMM Clock Speeds
— DIMMs run at various clock speeds depending on the number of DIMMs per channel. 
See 
.
— The only supported DIMM configurations are shown in 
. For best 
results, follow the DIMM population rules.
— The B260 M4 E7 v4 server needs at least one DIMM installed for each CPU.
— Memory DIMMs must be installed evenly across the installed CPUs.
— Do not mix RDIMMs and LRDIMMs within the same server.
— For DIMM size mixing rules, see 
.
Table 6
  DIMM Performance (at 1.2 V)
DIMM GB/Rank/Type
Performance Mode (2:1)
1.2 V DIMM
Lockstep Mode (1:1)
1.2 V DIMM
1 DPC
2 DPC
3 DPC
1 DPC
2 DPC
3 DPC
16 GB/1R/RDIMM
1600
1600
1600
1866
1866
1600
32 GB/2R/RDIMM
1600
1600
1333
1866
1866
1333
32 GB/4R/LRDIMM
1600
1600
1600
1866
1866
1600
64 GB/4R/LRDIMM
1600
1600
1600
1866
1866
1600