When you’re out building your home lab, the OS can matter almost as much as the hardware. But with a deluge of operating systems designed to tackle your virtualization workloads, you might have a hard time selecting the perfect one for your home lab.

For instance, most home labbers swear by Proxmox, a simple yet high-performance platform that's full of useful features. Likewise, Hyper-V has amassed a following in the professional field over the years and has some utility in casual workstations. Then there’s ESXi, which, despite dominating the server landscape in the days of yore, has recently become a hard sell for casual home lab enthusiasts. But if you’re having trouble deciding on the right virtualization platform, this article will help you out!

Proxmox: Powerful and laden with features

It doesn't paywall advanced facilities, either!

Built on top of Debian, Proxmox is a virtualization platform that leverages the Type-1 hypervisor KVM to power your VMs. As someone with an entire server dedicated to Proxmox, I can confirm that it lives up to its reputation. For starters, it natively supports LXC containers, and you’ve got tons of TurnKey templates to spin up your favorite services inside containerized environments. Then there’s its KVM-based design, which ensures high performance for virtual machine workloads. Factor in the massive community of home labbers powering this amazing virtualization platform, and you’ve got a reliable platform that’s perfect for fledgling server owners as well as ace tinkerers alike.

The best part? Proxmox doesn’t force you to shell out a premium to access the advanced facilities. Heck, you’re only missing out on the enterprise repository and first-party technical support with the free version. Aside from that, you can access every other facility on the community edition, whether it’s the Ceph distributed storage, clustering, ZFS support, or even something as simple as USB passthrough!

Hyper-V: Decent for Windows-centric servers

Only the outdated version is available for free

Unlike the all-purpose Proxmox, Hyper-V integrates better with Microsoft’s products. Sure, Proxmox lets you deploy Windows 11 virtual machines with some extra tweaks, but Hyper-V offers a streamlined process for creating VMs for Microsoft’s flagship OS. It’s also easier to pick up compared to Proxmox and ESXi, both in terms of installation and UI. If you’ve used Type-2 hypervisors like VirtualBox or VMware Workstation Pro, you’ll feel right at home with Hyper-V. While the standalone version offers better performance, you can even configure Hyper-V on top of Windows 11 (including the Home edition) if you don’t wish to dedicate an entire machine to your workstation.

But the downside of this hypervisor is that unless you’re willing to throw thousands of dollars at Microsoft, you’re forced to stay on the old Hyper-V 2019 Server edition. As such, you won’t be able to access the new features introduced in subsequent versions. Throw in the fact that Microsoft plans to discontinue Hyper-V 2019 Server in 2029, it’s not the best virtualization platform for casual home labbers.

ESXi: Hard to recommend for most home lab users

Unless you’re prepared to sell a kidney for this one

If you’ve been a part of the home lab ecosystem for a while, you may recognize ESXi. Designed for professional workloads, ESXi (or rather, vSphere, since that’s the virtualization platform) offers a production-grade UI alongside integrations with vSphere and other VMware products. Back in the day, the free variant of ESXi offered limited functionality, but its stable nature and dominance in professional setups made it a solid recommendation for casual home labs.

Unfortunately, it’s hard to justify getting ESXi for casual home labs. The reason? Once Broadcom took over VMware, it not only discontinued the free version of the hypervisor but also massively increased the price of ESXi licenses. While Proxmox has plenty of benefits for small businesses, you’ve also got the production-tier XCP-ng and (more importantly) Harvester for hardcore virtualization tasks. As such, I can’t suggest going with ESXi unless you’ve acquired a free license before the Broadcom-VMware takeover and aren’t willing to spend time with other hypervisors.

Unsurprisingly, Proxmox comes out on top yet again

Personally, I’d suggest choosing between Proxmox and Hyper-V. If you love tinkering and don't mind spending a few hours familiarizing yourself with its UI, Proxmox is hands-down the better option. While Hyper-V has a simpler UI, Proxmox’s web interface is surprisingly easy to learn, and you don’t have to deal with Microsoft’s subscription fees for the paid version. If you're hellbent on setting up ESXi on your home lab, I’d still recommend Harvester. It’s designed to manage hundreds of virtual guests and packs most of the features you’d ever need from an enterprise-grade server OS. Just make sure your server PC has enough CPU cores, memory, and storage to run this beast of a virtualization platform.