Cisco Cisco UCS C220 M3 Rack Server 数据表

The standard memory features are:

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DIMMs

— Clock speed: 800 MHz, 1066 MHz, or 1333 MHz

— Ranks per DIMM: 1, 2, or 4

— Operational voltage: single voltage (1.5 V) or dual voltage (1.35 V/1.5 V)

— Registered

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DDR3 ECC registered DIMMs (RDIMMs), supporting Intel SDDC

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Memory is organized with three memory channels per CPU, with up to two DIMMs per 
channel, as shown in