
Cisco UCS B440 M2 Blade Server
CONFIGURING the SERVER
9
STEP 3
CHOOSE MEMORY
The standard memory features are:
■
DIMMs
— Maximum memory bandwidth: 800 MHz for E7-4807, 1066 MHz for all other CPUs
— Ranks per DIMM: 1, 2, or 4
— Operational voltage: 1.35 V
— Registered DIMM (RDIMM)
— Mirroring option
— Advanced error correcting code (ECC)
— Double device data correction (DDDC)
■
Each CPU controls four DDR3 channels. Each of the channels controls a matched pair of
DIMMs. The maximum number of DIMMs that can be installed per CPU is 8 (4 DIMM kits). See
Figure 3
.
NOTE:
DDDC support applies to x4 DIMMs only.
NOTE:
Memory mirroring is supported and settable using the UCSM Service Profile
“Memory RAS Configuration” setting.