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 lets them easily 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 choose an alternative to VMware vSphere, Microsoft Hyper-V oder 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
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Proxmox Virtual Environment

Base OS: Debian GNU/Linux
License: AGPL, v3
Hypervisor: KVM
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
HA: yes
Storage: LVM, LVM-thin, iSCSI/kernel, iSCSI/libiscsi, Ceph/RBD, CephFS, ZFS over iSCSI, ZFS (local), directory, NFS, CIFS, GlusterFS
Network: Bridged-Networking, Open vSwitch
Guests: Linux, Windows, other operating systems are known to work and are community supported
Memory merging/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
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: yes, AGPL, v3
License cost: no
Support: commercial, subscription-based
Trainings: yes
Bugtracker: yes
Code repository: public (Git)
Forum: public community forum with free access
Documentation: reference docu, Wiki
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