Technical Guide

Table 26. Power tools and technologies (continued)
Feature Description
Rack infrastructure Dell offers some of the industry's highest-efficiency power infrastructure solutions, including:
● Power distribution units (PDUs)
● Uninterruptible power supplies (UPSs)
● Energy Smart containment rack enclosures
Find additional information at: https://www.delltechnologies.com/en-us/servers/power-and-
cooling.htm.
PSU specifications
The PowerEdge T550 system supports up to two AC power supply units (PSUs).
Table 27. PSU specifications
PSU Class Heat
dissip
ation
(maxi
mum)
Frequenc
y
Voltage AC DC Current
High line
200–240 V
Low line
100–120 V
600 W Mixed
Mode
Platinu
m
2250
BTU/
hr
50/60 Hz
100 - 240 V,
autoranging
600 W 600 W N/A 7.1 A - 3.6 A
N/A 2250
BTU/
hr
N/A
240 V DC,
autoranging
N/A N/A 600 W 2.9 A
800 W Mixed
Mode
Platinu
m
3000
BTU/
hr
50/60 Hz
100 - 240 V,
autoranging
800 W 800 W N/A 9.2 A - 4.7 A
N/A 3000
BTU/
hr
N/A
240 V DC,
autoranging
N/A N/A 800 W 3.8 A
1100 W DC N/A 4265
BTU/
hr
N/A
-48 V N/A N/A 1100 W DC 27 A
1100 W
Mixed Mode
Titaniu
m
4100
BTU/
hr
50/60 Hz
100 - 240 V,
autoranging
1100 W 1050 W N/A 12 A - 6.3 A
N/A 4100
BTU/
hr
N/A
240 V DC,
autoranging
N/A N/A 1100 W DC 5.2 A
1400 W
Mixed Mode
Platinu
m
5250
BTU/
hr
50/60 Hz
100 - 240 V,
autoranging
1400 W 1050 W N/A 12 A - 8 A
N/A 5250
BTU/
hr
N/A
240 V DC,
autoranging
N/A N/A 1400 W 6.6 A
2400 W
Mixed Mode
Platinu
m
9000
BTU/
hr
50/60 Hz
100 - 240 V,
autoranging
2400 W 1400 W N/A 16 A - 13.5 A
N/A 9000
BTU/
hr
N/A
240 V DC,
autoranging
N/A N/A 2400 W 11.2 A
Power, thermal, and acoustics 37