Quick Specs

The 1125W Power Supply can also supply 1450W of output power when the input voltage is greater than
180V under all conditions.
The Z820 power supply efficiency reports can be found at these links:
850W - http://www.plugloadsolutions.com/psu_reports/HEWLETT%20PACKARD_623195-
001_ECOS%202620%201_850W_Report%20(2).pdf
1125W - http://www.plugloadsolutions.com/psu_reports/HEWLETT%20PACKARD_623196-
001_ECOS%202921_1125W_Report(1275w).pdf
Contact an HP representative for special support approval for high power configurations.
Interfaces Supported 6 channel SATA 6.0 Gb/s interface
8-channel 6 Gb SAS interface
8 SAS connectors on the motherboard, SAS ports can be ported externally by using the SAS
Bulkhead and/or Back Panel connector Kits
USB 3.0, USB 2.0
Hard Drive Controller
Supported
SATA and SAS controllers
Workstation ISV
Certifications
See the latest list of certifications at
http://www.hp.com/united-states/campaigns/workstations/partnerships.html
QuickSpecs
HP Z840 Workstation
Overview
DA - 15098 Worldwide QuickSpecs — Version 3 — 11/1/2014 Page 6