---
source_url: "https://www.proxmox.com/en/products/proxmox-virtual-environment/comparison"
title: "Comparison - Proxmox VE vs vSphere, Hyper-V, Xen..."
mirrored_at: 2026-08-22T03:03:25.778Z
host: www.proxmox.com
cited_in_42a: true
mirror_canonical: "https://index.42a.ai/www.proxmox.com/en/products/proxmox-virtual-environment/comparison"
---

> **Original source:** https://www.proxmox.com/en/products/proxmox-virtual-environment/comparison

Many companies choose an open-source virtualization solution to simplify their IT infrastructure with server virtualization and consolidation. It helps them quickly reduce operating costs as well as maintenance and administration time. The open-source platform Proxmox VE comes with zero license cost, provides full access to all functionalities, and increases the flexibility, security, and reliability of your IT infrastructure.

## Comparing Proxmox VE to alternatives

Proxmox VE is already the best choice for [thousands of satisfied customers](https://www.proxmox.com/en/about/about-us/stories) when it comes to choosing an alternative to VMware vSphere, Microsoft Hyper-V or Citrix XenServer. The following list will help you to compare Proxmox VE with alternatives in the server virtualization market:

### Overview

Base OS:

Debian GNU/Linux

License:

GNU Affero GPL, v3

Full virtualization:

KVM/QEMU

OS-level virtualization:

Linux Container (LXC)

Architecture:

x86\_64

Installation:

Bare-metal ISO installer

max. RAM and CPU per host:

128 TiB \[64 PiB\] RAM, 8192 logical CPUs, 8 sockets

### Key Features

100% software-based

yes

Clustering:

yes, any node in Proxmox VE can manage the cluster (no master node)

High Availability (HA):

yes

Storage:

LVM, LVM-thin, iSCSI/kernel, iSCSI/libiscsi, Ceph/RBD, ZFS over iSCSI, ZFS (local), directory, NFS, CIFS, GlusterFS, Proxmox Backup Server

Virtual networking:

Bridged-Networking, Open vSwitch

Guests:

Linux, Windows, other operating systems are known to work

Memory deduplication/sharing:

yes, KSM

Firewall:

built-in, cluster-wide, IPv4 and IPv6

Cloud-ready:

yes

Hyper-Converged Infrastructure (HCI):

yes

### Management

GUI:

full-featured, web-based user interface

CLI:

yes

API:

yes (REST)

Monitoring:

yes (InfluxDB, Graphite), plugins for external monitoring solutions

User Management:

LDAP, AD, two-factor authentication for GUI

Permission Management:

yes, granular

3rd party tools:

yes

### VM Lifecycle

Backup/Restore:

yes, integrated (vzdump) & Proxmox Backup Server

Live Restore:

yes (virtual machines with Proxmox Backup Server)

Migration:

yes

Live Migration:

yes, interchangeable CPU \*configure oldest CPU type

Storage Live Migration:

yes

Snapshot:

yes

Template and Clone:

yes

Replication:

yes

Export / Import:

yes

Virtual CPU Overcommit:

yes

V2V:

yes

P2V:

yes

### Support and Pricing

Free software license:

yes, AGPL,v3

License cost:

no

Enterprise support:

commercial, subscription-based

Forum support:

public community forum with free access

Training courses:

yes

Mailing lists:

yes, for discussion, support, feature requests

Bugtracker:

yes

Code repository:

public (Git)

Self-learning paths:

documentation, project page, videos, books, etc.

> I recommend Proxmox for those IT professionals who want to increase the availability of their servers, to reduce the administration complexity and also to make the most of their IT budget...
> 
> Valentín Ortiz Ferretiz  
> [Read more >](https://www.proxmox.com/en/about/about-us/stories/story/griver "Griver increases server availability with Proxmox VE")