This blog is written by Kiran Poluri from Dell Hypervisor Engineering team.

Dell Customizes VMware ESXi images with latest drivers supporting Dell peripherals. In addition to the drivers Dell’s technical support information is updated via OEM customization process.

Here is the direct link to download Dell customized ESXi 6.0 ISO & offline bundle A00 version posted in dell support site. http://www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=HJFY8

You can also use following steps to navigate & download the image:

https://dell.com/support -> Browse for a Product -> Select Servers, Storage & Networking -> PowerEdge -> Select Support Platform (See Dell VMware ESXi 6.0 blog for supported platforms) -> Drivers & Downloads -> click Change OS & select VMware ESXi 6.0 -> Expand Enterprise Solutions