Help in deciphering the Dell™ OpenManage™ downloads from support.dell.com
It might also be helpful to read this blog post from the SystemsEdge.

OpenManage 5.4

Dell DVD ISO – Dell Systems Build and Update Utility 1.0.3 - SBUU (4 iso’s that have to be re-assembled)
This is the all-in-one OM 5.4 DVD, aka SMTD (Systems Management Tools and Documentation). It is bootable to install the OS. It will also install Server Administrator 5.4, IT Assistant 8.2, and BMC Console. It also contains Content Manager.
Users Guide

Server Update Utility 1.7 (OM_5.4.1_SUU_A00.ISO) – You can either burn the media, mount the ISO as virtual media through the DRAC, or unzip the ISO with Winrar.
Users Guide

Server Administrator 5.4 (OM_5.4.0_mannode_a01.exe)
Users Guide

Open Manage 5.4.0.1 snmp patch (om_5.4.0.1_man_node_win_a00.msp)
Fixes and Enhancements
This patch addresses a condition that may be encountered in Dell OpenManage Server Administrator (OMSA) 5.4.0 with the optional Storage Management component installed:
*SNMP services on a system with OMSA installed may hang or terminate during system discovery by Dell OpenManage IT Assistant or when OMSA is specifically queried for storage devices via SNMP from other systems management applications.

Server Admin 5.4 msp (om_5.4.0_mannode_a01.msp) – This will upgrade Server Administrator 5.3 to 5.4.

IT Assistant 8.2 and BMC Console (om_5.4.0_mgmtstat_a00.exe)
ITA Users Guide
BMC Console User’s guide (5.4 has not been posted)

IT Assistant service pack (om_5.4.0_mgmtstat_a00.msp) – This will upgrade ITA 8.1 to 8.2.

OpenManage 5.3

Dell CD ISO – Dell Systems Service and Diagnostic Tools 5.3.0 (OM_5.3.0_SDT_A00.ISO)
This is a bootable CD that will install the OS. If you spin it up inside an OS, you can download drivers and online diags from the CD. It is similar to the old Dell Server Assistant CD.

Dell CD ISO – Dell System Build and Update Utility 1.6
This is a bootable CD that gives you the option to install the operating system or flash the firmware outside of the OS.
User’s Guide

Dell CD ISO – Dell Systems Console and Agent 5.3.0.1
This CD will install Server Administrator 5.3.0, BMC Console, and IT Assistant 8.1.