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Dell OptiPlex 7470 All-in-One Setup and specifications guide

Power

Table 1. PowerPower
Description Option one Option two
Power Supply Wattage 240 W EPA Platinum 155 W EPA Bronze
AC input Voltage Range 100 Vac–240 Vac 100 Vac–240 Vac
AC input current (low AC range/high AC range) 3.6A/1.8A 3.6A/1.8A
AC input Frequency 47 HZ - 63 HZ 47 HZ - 63 HZ
AC holdup time (80% load) 16 mini sec 16 mini sec
Average Efficiency 90-92-89% @ 20-50-100% load 82-85-82% @ 20-50-100% load
Typical Efficiency (Active PFC) N/A N/A
NOTE:The typical efficiency of an Active PFC Power Supply is 70%. APFC Power Supply is not offered with OptiPlex 7470 AIO
DC parameters
+12.0 v output N/A N/A
+19.5 v output 19.5 VA - 8.5A and 19.5VB - 10.5A 19.5 VA - 7.5A and 19.5VB - 7.0A
+19.5 v output auxiliary output 19.5 VA - 0.5A and 19.5VB - 1.75A

Standby mode 19.5 VA - 0.5A and 19.5VB - 1.75a

19.5 VA - 0.5A and 19.5VB - 1.75A

Standby mode 19.5 VA - 0.5A and 19.5VB - 1.75a

Max total power 240 W 155 W
Max combined 12.0 v power (note: only if more than one 12 v rail) N/A N/A
BTUs/h (based on PSU max wattage) 819 BTU 529 BTU
Power Supply Fan N/A N/A
Compliance
Erp Lot6 Tier 2 0.5watt requirement Yes Yes
Climate Savers / 80 Plus Compliant Yes Yes
Energy Star 7.0/7.1 Qualified Yes Yes
FEMP Standby Power Compliant Yes Yes
Table 2. Thermal DissipationPower
Power Graphics Heat dissipation Voltage
155 W Integrated gfx 155 * 3.4125 = 529 BTU/hr 100 VAC–240 VAC , 50 Hz–60 Hz , 3 A/1.5 A
240 W Discrete gfx 240 * 3.4125 = 819 BTU/hr 100 VAC–240 VAC , 50 Hz–60 Hz , 3.6A/1.8 A
Table 3. CMOS batteryPower
3.0v CMOS battery (Type and estimated battery life)
Brand Type Voltage Composition Life
VIC-DAWN CR-2032 3 V Lithium Continuous Discharge Under 30 kΩ Load till 2.0 V End-Voltage at the temperature of 23°C±3°C. The batteries should be submitted to 150 temperature cycles from 60°C~-10°C, and then be stored for more than 24 hours at 23°C±3°C
JHIH HONG CR-2032 3 V Lithium

Continuous Discharge Under 15 kΩ Load to 2.5 V End-Voltage.

20°C±2°C: 940 Hrs or longer; 910 Hrs or longer after 12 months.

MITSUBISHI CR-2032 3 V Lithium

Continuous Discharge Under 15 kΩ Load to 2.0 V End-Voltage.

20°C±2°C: 1000 Hrs or longer; 970 Hrs or longer after 12 months.

0°C±2°C: 910 Hrs or longer; 890 Hrs or longer after 12 months.


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