Proxmox Virtual Environment vs VirtualBox
Last updated October 2026
Looking for a European alternative to VirtualBox? Here's how Proxmox Virtual Environment compares, on EU hosting, GDPR and what it does.
Our pick for a European buyer: Proxmox Virtual Environment. We weight data residency, GDPR and EU jurisdiction above everything else — that is the constraint this directory exists to solve.
What it is
Open-source on-prem virtualization with KVM and LXC
Local virtualization software for running multiple operating systems on a single machine.
Headquarters
🇦🇹 AT
🇺🇸 US · 2007
EU data residency
Yes, for all customers
Not offeredVirtualBox is locally installed software; no vendor-hosted EU region is offered.
DSGVO / GDPR
Yes
not established
Certifications
No
No
Price from
€120/yr
$50
Free plan
Yes
Yes
Open Source
Yes
Yes
Ratings
Integrations
Microsoft Active Directory, LDAP, OpenID Connect (OIDC), Linux PAM, InfluxDB +13
Vagrant, GNS3, Oracle Cloud Infrastructure (OCI)
Where each one wins
Proxmox Virtual Environment
Strengths
- +Free and open-source under GNU AGPLv3 with no feature paywalls or vendor lock-in
- +Dual KVM and LXC virtualization in a single management interface
- +Built-in live VM migration, ZFS/Ceph storage, and software-defined networking
- +Responsive and familiar web-based management interface
- +High system stability, minimal hypervisor overhead, and rock-solid uptime
- +Seamless GPU passthrough for AI and LLM workloads
- +Large, active community forum and extensive public documentation
- +Transparent per-socket enterprise repository pricing with no artificial capacity limits
Limitations
- −Steep Linux-centric learning curve, especially for Windows administrators
- −GUI limitations require CLI and manual config file edits for advanced tasks
- −Official vendor support requires paid subscriptions with ticket limits
VirtualBox
Strengths
- +Highly customizable virtualization settings
- +Supports a wide range of guest operating systems
- +Active community and extensive documentation
- +Free for personal and evaluation use
Limitations
- −Steep learning curve for advanced features
- −Limited official support for free version
- −Performance overhead compared to bare-metal
- −No vendor-hosted cloud option
Data residency & compliance
Proxmox Virtual Environment
VirtualBox
EU data residency
Yes, for all customers
Not offeredVirtualBox is locally installed software; no vendor-hosted EU region is offered.
Transfer mechanism
Not required — data stays in the EU
not established
DPA
not established
not established
Sub-processors
not established
not established
Certifications
No
No
Pricing
Proxmox Virtual Environment
- Free Free perpetualFull software functionality under GNU AGPLv3 · No licensing cost · Public/no-subscription repository
- Community €120 per CPU socket / yearAccess to stable Enterprise Repository · Community forum support only
- Basic €370 per CPU socket / yearAccess to Enterprise Repository · 3 support tickets per year · 1 business day response time for critical issues
- Standard €550 per CPU socket / yearAccess to Enterprise Repository · 10 support tickets per year · 4-hour response time, 24/7 support phased in
- Premium €1,100 per CPU socket / yearAccess to Enterprise Repository · Unlimited support tickets · 2-hour response time, 24/7 support
Prices are net, excluding VAT. Verify socket count and local tax requirements.
VirtualBox
- VirtualBox Base Package Free PerpetualOpen-source (GPL v3) · No cost for personal or evaluation use
- Extension Pack (Personal/Educational) Free PerpetualFree under PUEL for non-commercial use · Required for USB 2.0/3.0 and VRDP
- Enterprise Per Named User $50 Perpetual100-user minimum · First-year support: $11 per user · Billed annually for support
- Enterprise Per Socket $1000 PerpetualFirst-year support: $220 per socket · Billed annually for support
Commercial use of the Extension Pack requires a paid license. Enterprise plans include perpetual licenses with optional annual support.
Features
Proxmox Virtual Environment
- Compute & Virtualization
- Full KVM virtualization for Linux and Windows VMs, Lightweight Linux Containers (LXC), PCIe passthrough and NVIDIA vGPU support, Integrated VMware ESXi import wizard
- High Availability & Clustering
- Multi-master cluster design with pmxcfs and Corosync, Out-of-the-box HA Manager, Zero-downtime live migration, Dynamic HA balancing (CRS scheduling)
- Storage & Software-Defined Storage
- Integrated Ceph (RBD and CephFS), Local ZFS pools with software RAID and replication, LVM/LVM-thin, iSCSI LUN, NFS, SMB/CIFS, Linked and full VM cloning
- Networking & Security
- Software-Defined Networking (SDN) with EVPN, VXLAN, BGP, QinQ and standard Linux bridge networking, Integrated distributed stateful firewall, IPAM management
- Backup & Disaster Recovery
- Native vzdump backup tool, Live-restore and single file recovery, Backup fleecing and ZFS snapshot replication, Deep integration with Proxmox Backup Server (PBS)
VirtualBox
- Virtualization Capabilities
- Up to 32 virtual CPUs per VM, Virtual IDE, SCSI, and SATA controllers, Network and sound device emulation, Serial port support
- Host-Guest Interaction
- Shared folders between host and guest, Shared clipboard functionality, Drag-and-drop support
- Management & Organization
- VM grouping for easier management, Snapshot and state management, Command-line and GUI interfaces
- Extension Pack Features
- USB 2.0 and 3.0 device support, VirtualBox Remote Desktop Protocol (VRDP), PXE boot for network installations, Disk image encryption