Card Configuration Restrictions For Power Supplies - HP Z400 Maintenance And Service Manual

Slots one and three use open-ended PCIe connectors, so a PCIe x16 card can be inserted. Graphics
cards greater than 75 watts require the use of an auxiliary power cable adapter.

Card configuration restrictions for power supplies

CAUTION:
cards, CPU, and memory) must not exceed the maximum rating of the workstation power supply. For
power supply information, see
The maximum graphics configurations are:
475W power supply
●
A graphics card up to 150W in the primary graphics slot
◦
A second graphics card in the second PCIe2 x16 slot (slot 4), provided the combined power
◦
consumption of both cards does not exceed 150W
600W power supply
●
A graphics card up to 250W in the primary graphics slot
◦
A second graphics card in the second PCIe2 x16 slot (slot 4), provided the combined power
◦
consumption of both cards does not exceed 250W
If you use a graphics card with greater than 75 watts of power, leave the adjacent slot empty. The
maximum graphics power depends on CPU and memory selections. Follow any additional workstation
configuration restrictions.
122 Chapter 5 Replacing components
To prevent damage, the overall power consumption of the workstation (including I/O
Power supply specifications on page 10.
ENWW