27 PowerEdge C6220 II Technical Guide
Dell offers some of the industry’s highest efficiency power infrastructure
solutions, including:
Power distribution units
Uninterruptible power supplies
Energy Smart containment rack enclosures
Find additional information at Dell.com/RackInfrastructure.
Find additional information at Dell.com/PowerAndCooling and Dell.com/PowerCenter.
Power supply units
The base redundant system consists of two hot-plug power supplies in a 1+1 configuration available
at 1200W and 1400W. The PowerEdge C6220 II supports two configurations based on the number
of system boards, as shown in Table 14.
Table 14. Supported configurations for power supply redundancy
Up to 2x 130W processors/MLB (main
logic board)
3x hard drives/MLB
8x memory modules/MLB
1x 130W processor/MLB
2x hard drives/MLB
2x memory modules/MLB
Up to 2x 130W processors/MLB
3x hard drives/MLB
4x memory modules/MLB
1x 95W processor/MLB
1x hard drive/MLB
3x memory modules/MLB
Dell power supplies have achieved Platinum efficiency levels as shown in Table 15.
Table 15. Power supply efficiency
Efficiency targets by load
System power supply throttling feature
The PowerEdge C6220 II supports a power supply throttling feature that protects the system if
power consumption exceeds the maximum for the supply (either 1400W or 1200W). In
configurations where power consumption is greater than the maximum, redundancy is lost, and the
PowerEdge C6220 II throttles power consumption of the two or four independent nodes to stay
within the power budget. Performance is degraded in this mode, but the system continues to
operate. After you replace the failed power supply, redundancy is restored and all nodes resume
normal operation.
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