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® Silver where HP registers Integrated desktop products. See
http://www.epeat.net
for
registration status in your country.
System Configuration
The configuration used for the Energy Consumption and Declared Noise Emissions data for the All in One
Desktop model is based on a typically configured product.
Energy Consumption
115 VAC
230 VAC
100 VAC
Normal Operation
15.9270 W
16.5927 W
17.4918 W
Sleep (Energy Star low
power mode)
1.0332 W
1.1256 W
1.0272 W
Off
0.4920 W
0.5568 W
0.4872 W
NOTE:
Energy efficiency data listed is for an ENERGY STAR® compliant product if offered within the model
family. HP computers marked with the ENERGY STAR® Logo are compliant with the applicable U.S.
Environmental Protection Agency (EPA) ENERGY STAR® specifications for computers. If a model family
does not offer ENERGY STAR® compliant configurations, then energy efficiency data listed is for a typically
configured model.
Heat Dissipation
*
115 VAC
230 VAC
100 VAC
Normal Operation
54 BTU/hr
57 BTU/hr
60 BTU/hr
Sleep
4 BTU/hr
4 BTU/hr
4 BTU/hr
Off
2 BTU/hr
2 BTU/hr
2 BTU/hr
* Heat dissipation is calculated based on the measured watts, assuming the service level is attained for one
hour.
Declared Noise Emissions
(in accordance with
ISO 7779 and ISO 9296)
System Fan Off
Sound Power
(LWAd, bels)
Sound Pressure
(LpAm, decibels)
Idle
2.9
26
Fixed Disk
(random writes)
3.1
26
Longevity and Upgrading
This product can be upgraded, possibly extending its useful life by several years. Upgradeable features
and/or components contained in the product may include:
Intel LGA775 processor socket
8 USB ports
1 empty PCI slot (w/ optional PCI riser card), or
1 empty PCIe x16 slot (w/optional PCIe riser card)
1 internal drive slot
1 Slimline optical drive slot
3 memory slots
1 Serial/Parallel Port (optional)
Spare parts are available throughout the warranty period and or for up to "5" years after the end of
production
QuickSpecs
HP 1155 All-in-One Desktop PC
Technical Specifications
DA - 14569 North America — Version 1 — May 6, 2013
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