Specifications

Cisco UCS Cisco UCS C220 M4 High-Density Rack Server (Large Form Factor Disk Drive Model)
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CONFIGURING the SERVER
STEP 3 SELECT MEMORY
The standard memory features are:
■ DIMMs
— Clock speed: 2133 MHz
— Ranks per DIMM: 1, 2, or 4
— Operational voltage: 1.2 V
— Registered ECC DDR4 DIMMs (RDIMMs) or load-reduced DIMMs (LRDIMMs)
■ Memory is organized with four memory channels per CPU, with up to three DIMMs per
channel, as shown in
Figure 4.
Figure 4 C220 M4 LFF Memory Organization