Dell OptiPlex 7020 - Removing the System Fan

Dell - Internal Use - Confidential
19
POWER
NOTE: These form factors utilize a more efficient Active Power Factor Correction (APFC) power
supply. Dell recommends Universal Power Supplies (UPS) based on Sine Wave output for APFC PSUs.
7020 MT 7020 SFF
Power Supply
APFC
EPA Gold
EPA Bronze
APFC
EPA Gold
EPA Bronze
Wattage 290W
290W High
Efficiency
290W
255W
255W High
Efficiency
255W
AC input Voltage
Range
90 – 264Vac 90 – 264Vac
90
– 264Vac 90 – 264Vac
90 –
264Vac
90
–
264Vac
AC input current
(low ac
range/high AC
range)
5.4A / 2.7A 5.4A / 2.7A
5.4A / 2.7A
4.6A / 2.3A 4.6A / 2.3A
4.6A / 2.3A
AC input
Frequency
47HZ/63HZ 47HZ/63HZ
47HZ/63HZ
47HZ/63HZ 47HZ/63HZ
47HZ/63HZ
AC holdup time
(80% load)
16 mini sec 16 mini sec
16 mini sec
16 mini sec 16 mini sec
16
mini sec
Average
Efficiency (Energy
Star 5.2
Compliant)
87 – 90 – 87%
@ 20 – 50 –
100% load
82 – 85 –
82% @ 20
–
50
– 100%
load
87 – 90 –
87% @ 20 –
50 – 100%
load
82 – 85 –
82% @ 20
–
50
– 100%
load
Typical Efficiency
(Active PFC)
65%
65%
DC parameters
+12.0v output
12VA/14A;
12VB/16A
12VA/14A;
12VB/16A
12VA/14A;
12VB/16A
12VA/14A;
12VB/13A
12VA/14A;
12VB/13A
12VA/14A;
12VB/13A
-12.0v output N/A N/A
N/A
N/A N/A
N/A
+12.0v auxiliary 1.67A 1.67A
1.67A
1.67A 1.67A
1.67A