Proxmox VE Comparison

Which virtualization solution fits your needs?

Many enterprises move to open source solutions for their virtualized infrastructure to guarantee full access to all functionalities, further reduce costs, and deliver high security and reliability. By migrating from VMware, Microsoft or Citrix to Proxmox VE, you gain the ability to manage physical, virtual, and cross-platform, adapt cloud computing to your business needs through greater choice, and achieve greater value for less cost.

The following table shows Proxmox VE features compared to competitors in server virtualization:

Proxmox VE VMware vSphere Windows Hyper-V Citrix XenServer
Guest operating system support Windows and Linux (KVM)
Other operating systems are known to work and are community supported
(OpenVZ supports Linux only)
Windows, Linux, UNIX Modern Windows OS, Linux support is limited Most Windows OS, Linux support is limited
Open Source yes no no yes
OpenVZ container (known as OS Virtualization) yes no no no
Single-view for Mangagement (centralized control) yes Yes, but requires dedicated management server (or VM) Yes, but requires dedicated management server (or VM) yes
Simple Subscription Structure Yes, one subscription pricing, all features enabled no no no
High Availability yes yes Requires Microsoft Failover clustering, limited guest OS support yes
Live VM snapshots: Backup a running VM yes yes limited yes
Bare metal hypervisor yes yes yes yes
Virtual machine live migration yes yes yes yes
Max. RAM and CPU per Host 160 CPU/2 TB RAM 160 CPU/2 TB RAM 64 CPU/1 TB RAM ?


Note: This list is not complete and work in progress. Facts could change from release to release. It provides a very rough overview about some differences and major features.