HP QUICKSPECS DC7900 - Manual (Page 58)

Eco-Label
Certifications &
declarations This product has received or is in the process of being certified to the following approvals and may
be labeled with one or more of these marks:
US ENERGY STAR ®
IT ECO declaration
EPEAT – Gold
1
NOTE: This product conforms to the examination standards (2003 version) under JEITA's ‘PC
Green Label System.'
¹ EPEAT certification is conditional upon ENERGY STAR qualification. Only dc7900e models
which qualify for ENERGY STAR will be certified EPEAT
– Gold
Ultra-Slim Desktop
System Configuration The configuration used for the Energy Consumption and Declared Noise Emissions data for the
Ultra-slim Desktop model is based on a typically configured product
Energy Consumption 115 VAC 230 VAC 100 VAC
Normal Operation 40.68 W 40.07 W 39.94 W
Sleep (Energy Star low
power mode) 2.95 W 2.96 W 2.96 W
Off 1.67 W 1.68 W 1.68 W
Heat Dissipation * 115 VAC 230 VAC 100 VAC
Normal Operation 139 BTU/hr 137 BTU/hr 137 BTU/hr
Sleep 10 BTU/hr 10 BTU/hr 10 BTU/hr
Off 6 BTU/hr 6 BTU/hr 6 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 3.1 23
Fixed Disk
(random writes) 3.1 24
Optical Drive
(sequential reads) 4.8 42
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Environmental Data
DA - 13029 Worldwide QuickSpecs — Version 24 — 10/30/2009 Page 58