Comparing Server Virtualization Software

Why choose Proxmox VE for your workloads?

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.

Proxmox VE is already the best choice for thousands of satisfied customers 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:

"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 >

Proxmox Virtual Environment

Base OS: Debian GNU/Linux
License: AGPL, v3
Full virtualization: KVM/QEMU
OS-level virtualization: Linux Container (LXC)
Architecture: x86_64
Installation: Bare-metall ISO installer
max. RAM and CPU per host: 12TB RAM and 768 logical CPU


Clustering: yes, any node in Proxmox VE can manage the cluster (no master node)
HA: yes
Storage: LVM, LVM-thin, iSCSI/kernel, iSCSI/libiscsi, Ceph/RBD, CephFS, ZFS over iSCSI, ZFS (local), directory, NFS, CIFS, GlusterFS, Proxmox Backup Server
Network: Bridged-Networking, Open vSwitch
Guests: Linux, Windows, other operating systems are known to work and are community supported
Memory deduplication/sharing: yes, KSM
Firewall: built-in, cluster-wide, IPv4 and IPv6
Cloud-ready: yes
Hyper-Converged Infrastructure (HCI): yes


GUI: full-featured web interface
CLI: yes
API: yes (REST)
Monitoring: yes
User Management: LDAP, AD, Two-factor authentication
Permission Management: yes, granular
3rd party tools: yes

VM Lifecycle

Backup/Restore: yes
Migration: yes
Live Migration: yes, interchangeable CPU, on identical and newer versions
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
Bugtracker: yes
Code repository: public (Git)
Documentation: administration guide, project page

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.