Specifications

Table 4 lists the features on the R520 chassis. For additional information, see the Dell PowerEdge
R520 Systems Owner’s Manual on Support.Dell.com/Manuals.
Feature
Description
Power button
ACPI-compliant power button with an integrated green power LED
Front bezel
Covers the system’s front-loading hard drives and locks for security
NMI button
Used to troubleshoot software and device driver errors; use only if directed
to do so by qualified support personnel or by the operating system's
documentation
System identification button
Buttons on the back and front of a system to help identify the unit in a data
center environment
Hard drives
Up to eight 3.5-inch drives
USB connectors
Connects USB devices to the server
Information tag
Slide-out label panel for recording system information
Video connector
Connects a monitor to the server
LCD panel and buttons
Displays system ID, status information, and system error messages; two
navigation buttons to scroll through the menu on the LCD and one select
button
Optical drive
Optional slim DVD or DVD+RW drive
Power supply units
Supplies power to the server
Power supply indicators
Indicates whether server has power
NIC indicators
Indicates network activity and status
PCIe slots
Connects PCIe expansion cards to the server
Ethernet connectors
Connects integrated 10/100/1000 NICs to the server
Serial connector
Connects a serial device to the server
iDRAC7 Enterprise port
Dedicated management port for optional iDRAC card
The R520 control panel is located on the front of the chassis as shown in Figure 5. For more
information about the LCD control panel, see the Dell PowerEdge R520 Systems Owner’s Manual on
Support.Dell.com/Manuals.