Chapter 1: Hardware overview 18
Power and thermal
A UCS C240 M4SX server configured for deployment in a SimpliVity Federation meets the power and
thermal specification for a fully-configured enclosure with two power supply units (PSU) described in
the Cisco product documentation.
Specification Description
AC input voltage Nominal range: 100–120VAC, 200–240VAC
(Range: 90–132VAC, 180–264VAC)
AC input frequency Nominal range: 50 to 60Hz
(Range: 47–63Hz)
Maximum AC input current 11A at 100VAC
7A at 200VAC
Maximum input volt-amperes 1456VA
Maximum output power per PSU 800W at 100–120VAC
1200W at 200–240VAC
Maximum inrush current 30A (sub-cycle duration)
Maximum hold-up time 12 ms at 1200W
Power supply output voltage 12VDC
Power supply standby voltage 12VDC
Efficiency rating Climate Savers Platinum Efficiency (80Plus
Platinum certified)
Form factor RSP1
Input connector IEC60320 C14
Temperature and humidity
Each UCS C240 M4SX server has specific temperature and humidity limits when operating and when
in storage.
Specification Description
Temperature (operating) 41 to 95°F (5 to 35°C)
Derate the maximum temperature by 1°C per
every 305 meters of altitude above sea level.
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