QuickSpecs

Internal:
EPE-Expanded Polyethylene – 293 g
The EPE foam packaging material is made from 0% recycled content.
The corrugated paper packaging materials contains at least 25% recycled content.
¹ EPEAT certification is conditional upon ENERGY STAR qualification. Only dc7900e models which qualify
for ENERGY STAR will be certified EPEAT – Gold.
Convertible Minitower
System Configuration The configuration used for the Energy Consumption and Declared Noise Emissions data for the Convertible
Mini tower Desktop model is based on a typically configured product
Energy Consumption 115 VAC 230 VAC 100 VAC
Normal Operation 56.815 W 56.054 W 57.984 W
Sleep (Energy Star low
power mode)
2.319 W 2.626 W 2.296 W
Off 1.097 W 1.31 W 1.075 W
Heat Dissipation * 115 VAC 230 VAC 100 VAC
Normal Operation 194 BTU/hr 192 BTU/hr 198 BTU/hr
Sleep 8 BTU/hr 9 BTU/hr 7 BTU/hr
Off 4 BTU/hr 5 BTU/hr 4 BTU/hr
* Heat dissipation is calculated based on the measured watts, assuming the service level is attained for one
hour.
This product is in compliance with US executive order 13221, WOL (wake on LAN) disabled.
Declared Noise Emissions
(in accordance with
ISO 7779 and ISO 9296)
System Fan Off
Sound Power
(LWAd, bels)
Sound Pressure
(LpAm, decibels)
Idle 3.7 22
Fixed Disk
(random writes)
3.8 22
Configuration with optional 10,000 rpm HDD
System Fan Off
Sound Power
(LWAd, bels)
Sound Pressure
(LpAm, decibels)
Idle 3.9 21
Fixed Disk
(random writes)
4.4 25
Batteries This product complies with ISO standards:
EU Directive 91/ 157/ EEC
EU Directive 93/ 86/ EEC
EU Directive 98/ 101/ EEC
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Environmental Data
DA - 13029 Canada — Version 29 — March 7, 2011 Page 65