46 PowerEdge R520 Technical Guide
Non-redundant power supplies not supported
Non Dell-qualified peripheral cards and/or cards greater than 25W are not supported
See Dell Fresh Air for temperature information
–40
o
C to 65
o
C (-40
o
F to 149
o
F) with a maximum temperature gradation of 20
o
C per hour
See Dell Fresh Air for relative humidity information
5% to 95% at a maximum wet bulb temperature of 33°C (91°F); atmosphere must be non-
condensing at all times
0.26 Grms at 5Hz to 350Hz in all orientations
1.87 Grms at 10Hz to 500Hz for 15 minutes (all six sides tested)
Half sine shock in all operational orientations of 31G +/– 5% with a pulse duration of 2.6ms
+/– 10%
Half sine shock on all six sides of 71G +/– 5% with a pulse duration of 2ms +/–10%; square
wave shock on all six sides of 27G with velocity change at 235 in/sec or greater
–15.2m to 3048m (–50 ft to 10,000 ft)
–15.2m to 12,000m (–50 ft to 39,370 ft)
Airborne contaminant level
Class G1 or lower as defined by ISA-S71.04-1985
Video specifications
The Dell PowerEdge R520 iDRAC incorporates an integrated video subsystem. The graphics
controller is the 2D Matrox
®
G200. The video frame buffer (16MB) is contained within the iDRAC
RAM (256MB) device.
The R520 system supports the 2D graphics video modes listed in Table 26.
Table 26. Supported video modes
Rack rail specifications
Table 27 lists the spacing dimensions for the R520 sliding and static rails.