The customization process involves three key modifications:

The most common boot device for ESXi 8 on these systems is either a standard Hard Drive/SSD or the Dell BOSS (Boot Optimized Storage Solution) card.

Dell typically lags 4-6 weeks behind VMware’s release. This is actually . During that lag, Dell is testing the update against their entire PowerEdge catalog. They will only release the customized ISO once they have validated that the drivers don't crash PERC controllers.

Before you download, it is essential to verify that your hardware is compatible. Dell provides a comprehensive compatibility matrix for VMware ESXi 8.x on its PowerEdge servers. As of this writing, ESXi 8.0 Update 3 (8.0 U3) is a primary release supported on a wide range of servers.

For IT professionals managing Dell PowerEdge servers, the choice of hypervisor installation media is a critical decision that impacts everything from initial deployment time to long-term system stability. The debate often centers on a single question: should you use the generic VMware ESXi ISO, or the Dell Customized version? For anyone serious about performance, reliability, and efficient management, the answer is clear. The is not just an option—it is the gold standard for deploying vSphere on Dell infrastructure.

Update your iDRAC and BIOS before installing.

Eliminates "Missing Storage" errors during install.

Downloading the custom ISO is just the first step. To ensure a "better" and longer-lasting deployment, follow these best practices:

If you do not have your Service Tag or want to browse all available versions, you can use the Dell EMC repository.

: Set the Operating System dropdown to the desired version of VMware ESXi 8.x .

The primary benefit of the Dell Customized ISO is the inclusion of verified, stable drivers.