Cisco UCS C250 Server Installation and Service Guide
Technical Specifications
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Table of Contents

Technical Specifications

Physical Specifications

Environmental Specifications

Power Specifications

Technical Specifications

This appendix lists the technical specifications for the Cisco UCS C250 server and includes the following sections:

Physical Specifications

Table A-1 lists the physical specifications for the server.

Table A-1 Physical Specifications



3.45 in. (8.75 cm)


17.25 in. (43.82 cm)

Depth (including power supply handle)

29.30 in. (74.42 cm)


51.50 lbs (23.36 kg)

Environmental Specifications

Table A-2 lists the environmental specifications for the server.


Table A-2 Environmental Specifications


Temperature, operating:
Derate 1°C for every 1000 ft (304 m) up to a maximum altitude of 10,000 ft (3048 m).

50 to 95°F (10 to 35°C)

Temperature, nonoperating
within altitude: 0 to 40,000 feet (0 to 12,000 meters)

–40 to 149°F (–40 to 65°C)

Humidity (RH), noncondensing

5 to 93%


0 to 10000 feet

Sound Pressure Level (dBA)

83 dB sound power—at normal operating temperature

Power Specifications

Table A-3 lists the specifications for each power supply.


Table A-3 Power Supply Specifications


Input Requirements

Rated input voltage

115 to 240 VAC nominal
(Range: 90 to 264 VAC)

Rated input frequency

50 to 60 Hz nominal
(Range: 47 to 63 Hz)

Maximum input current

10 Amps at 100 VAC

Maximum inrush current

35 A for Yms

Input connector

IEC60320 C14

Power Supply Output

Maximum output power for each power supply

750 W (up to two power supplies can be installed)

Power supply output voltage

Main power: 12 VDC

Standby power: 12 VDC

Power Supply Information

Maximum hold-up time

12 ms

Efficiency rating

Climate Savers Gold

You can get more specific power information for your exact server configuration by using the Cisco UCS Power Calculator: