Table 1. Features and specifications (continued)
Electrical input with hot-swap ac power
supplies:
v Sine-wave input (47 - 63 Hz) required
v Input voltage range automatically
selected
v Input voltage low range:
– Minimum: 100 V ac
– Maximum: 127 V ac
v Input voltage high range:
– Minimum: 200 V ac
– Maximum: 240 V ac
v Input kilovolt-amperes (kVA)
approximately:
– Minimum: 0.090 kVA
– Maximum: 0.700 kVA
Environment:
v Air temperature:
– Server on: 10°C to 35°C (50.0°F to
95.0°F); altitude: 0 to 914.4 m (3000
ft). Decrease system temperature by
1°C for every 1000-foot increase in
altitude.
– Server off: 5°C to 45°C (41.0°F to
113.0°F); maximum altitude: 3048 m
(10000 ft)
– Shipment: -40°C to +60°C (-40°F to
140°F); maximum altitude: 3048 m
(10000 ft)
v Humidity:
– Server on: 20% to 80%; maximum
dew point: 21°C; maximum rate of
change 5°C per hour.
– Server off: 8% to 80%; maximum
dew point: 27°C
– Shipment: 5% to 100%
v Particulate contamination:
Attention: Airborne particulates and
reactive gases acting alone or in
combination with other environmental
factors such as humidity or
temperature might pose a risk to the
server. For information about the limits
for particulates and gases, see
“Particulate contamination” on page
183.
Hot-swap fans: Three - provide redundant
cooling.
Power supply:
v Up to two hot-swap power supplies for
redundancy support
– 460-watt ac
– 675-watt ac
– 675-watt high-efficiency ac
– 675-watt dc
Note: You cannot mix 460-watt and
675-watt power supplies, or high-efficiency
and non-high-efficiency power supplies, or
ac and dc power supplies in the server.
Acoustical noise emissions:
v Declared sound power, idle: 6.3 bel
v Declared sound power, operating: 6.5 bel
Heat output:Approximate heat output:
v Minimum configuration: 662 Btu per
hour (194 watts)
v Maximum configuration: 2302 Btu per
hour (675 watts)
EU Regulation 617/2013 Technical Documentation:
International Business Machines Corporation
New Orchard Road
Armonk, New York 10504
http://www.ibm.com/customersupport/
For more information on the energy efficiency program, go to
http://www.ibm.com/systems/x/hardware/energy-star/index.html
Product Type:
Computer Server
Year first manufactured:
2010
Internal/external power supply efficiency:
PSU 1: Go to http://www.plugloadsolutions.com/psu_reports/
IBM_7001578-XXXX_675W_SO-485_Report.pdf
PSU 2:
Table 2. Power supply efficiency (PSU 2)
IRMS A PF ITHD (%) Load (%)
Input
Watts
Output
Watts
Efficiency
%
0.41 0.811 39.8% 10% 77.25 67.50 87.38%
0.72 0.901 30.5% 20% 148.45 134.74 90.76%
1.65 0.956 21.8% 50% 361.99 336.34 92.91%
8 System x3650 M3 Types 4255, 7945, and 7949: Installation and User’s Guide
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