Removal and replacement procedures 113
Power supply unit (PSU)
Located on the rear panel of the server power supply is designed with three types of power supply
units. They are 460 W and 750 W PSU with power factor correction (PFC) function. Table 20 lists
how to configure the power supply with the different system models.
Table 20
Power Supply Unit Configurations
System model Power supply unit
4 3.5” HDD model One or two 460 W power supply unit
8 3.5” HDD model One or two 460 W power supply unit
8 2.5” HDD model One or two 460 W power supply unit
12 3.5” HDD model One or two 750 W power supply unit
25 2.5” HDD model One or two 750 W power supply unit
Figure 93 Power Supply Unit
WARNING: Take note of the following reminders to reduce the risk of personal injury from electric
shock hazards and/or damage to the equipment.
Installation of power supply units should be referred to individuals who are qualified to service
server systems and are trained to deal with equipment capability of generating hazardous
energy levels.
DO not open the power supply unit. There are no serviceable parts inside it.
To remove the power supply:
1. Press the port wine colored tab.
2. Slide the hot-plug power supply out of the power supply bay.