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.