Lenovo Flex System x220 Installation And Service Manual page 8

Statement 12
CAUTION:
The following label indicates a hot surface nearby.
Statement 21
CAUTION:
Hazardous energy is present when the blade is connected to the power source. Always replace the
blade cover before installing the blade.
This device is for use only with Listed Flex System Enterprise Chassis.
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Flex System Storage Expansion Node Installation and Service Guide