What is a firmware catalog?

A firmware catalog is an aggregation of all firmware bundles that is supported on multiple generations of DellEMC servers. 

Firmware catalogs for DellEMC customized VMware ESXi

DellEMC started releasing firmware catalogs for Dell customized versions of VMware ESXi releases. The intent of this catalog is to announce the recommended firmware versions for Dell customized versions of VMware ESXi for various server models and peripherals. NOTE that the catalog contain firmware versions for all the generations of servers and corresponding peripherals. Hence it's advised that end users go through the compatibility matrix carefully to assess the support stance for the specific server model and  the peripheral that they use for a specific version of VMware ESXi. 

The DellEMC customized VMware ESXi 6.5.x compatibility matrix is available here. The DellEMC customized VMware ESXi 6.0.x compatibility matrix is available here

This specific Dell tech center page contain a table which maps the recommended firmware for Dell customized VMware ESXi images. This blog will be modified as and when new catalogs are released on a quarterly basis. 

DellEMC Customized VMware ESXi Revision Release date Catalog Location
VMware ESXi 6.5 U1 A04 7th Nov 2017 http://ftp.dell.com/FOLDER04655306M/1/ESXi_Catalog.xml.gz
VMware ESXi 6.0 U3 A05 19th Oct 2017 http://ftp.dell.com/FOLDER04655306M/1/ESXi_Catalog.xml.gz