Power - Dell Optiplex 755 Technical Manualbook

Dell™ optiplex™ 755 technical guiDe

powEr

Power Supply Wattage
AC Input Voltage Range
AC Input Current
(low ac range/high AC range)
AC Input Frequency
AC Holdup Time
(50% load)
Minimum Efficiency
Energy Star 4.0
Compliant Power Supply
PFC
(Active)
DC Parameters
+3.3v Output
+5.0v Output
+12.0v Output
+5.0v Auxiliary Output
-12.0v Output
Max Total Power
Max Combined
+3.3v / +5.0v Power
Max Combined
12.0v Power
BTUs/h
(based on PSU max wattage)
3.3v CMOS Battery
(type and estimated battery life)
RTC accuracy
(time of day)
Power Supply Fan
Power Supply Meets Requirements of:
Energy Star 4.0
Compliant Power Supply
version 1.0
mt
305W
305W High 280W
Efficiency
90-135A/ 90-135A/
180- 90-264A 180-
264A 264A
9.0A/4.5A 4.5A/2.3A 9.0A/4.5A
50/60Hz 50/60Hz 50/60Hz
16ms 16ms 16ms
65% 80% 65%
✓
✓
17.0A 17.0A 10.0A
22.0A 22.0A 15.0A
18.0+18.0A 18.0+18.0A 16.0A
4.0A 4.0A 4.0A
1.0A 1.0A 0.5A
305W 305W 280W
150W 150W 108W
264W 264W N/A
1600 1300 1468
Sleeve Sleeve Sleeve
bearing bearing bearing
N Y N
Dt sff
280W
High 275W
Efficiency
90-135A/
90-264A 180-
264A
4.5A/2.3A 8.8A/4.3A
50/60Hz 50/60Hz
16ms 16ms
80% 65%
✓
✓
10.0A 5.0A
15.0A 18.0A
16.0A 17.0A
4.0A 4.0A
0.5A 0.5A
280W 275W
108W 106W
N/A N/A
1195 1444
3-V CR2032 lithium coin cell. Est. 5-year life
Drift 2 seconds per month
Sleeve Ball
bearing bearing
Y N
usff
275W
220W High Efficiency
High
External PSU
Efficiency
90-264A 90-264A
4.3A/2.2A 3.2A/1.7A
50/60Hz 50/60Hz
16ms 10ms at 100% load
80% 85%
✓ ✓
✓ ✓
5.0A
18.0A
17.0A 18.0A
4.0A
0.5A
275W 220W
106W
N/A
1171 880
Ball
None
bearing
Y Y
28
28