Technical Specifications

NOTE: Heat dissipation is calculated using the PSU wattage rating.
NOTE: When selecting or upgrading the system configuration, to ensure optimum power utilization, verify the system
power consumption with the Dell Energy Smart Solution Advisor available at Dell.com/ESSA.
Supported operating systems
The PowerEdge R550 system supports the following operating systems:
● Canonical Ubuntu Server LTS
● Citrix Hypervisor
● Microsoft Windows Server with Hyper-V
● Red Hat Enterprise Linux
● SUSE Linux Enterprise Server
● VMware ESXi
For more information, go to www.dell.com/ossupport.
Cooling fan specifications
The PowerEdge R550 system supports up to five standard (STD) cooling fans.
Table 5. Cooling fan specifications
Fan type Abbreviation Also known as Label color Label image
Standard
fan
STD STD No label
High-
performanc
e fan (Silver
grade)
HPR SLVR HPR Silver
NOTE: New cooling fans come with
the High-Performance Silver Grade label.
While the older cooling fans have the
High-Performance label.
Figure 2. High performance fan
6 Technical specifications