SUSE · Open source
SUSE Virtualization
SUSE Virtualization is a bootable HCI appliance built on SUSE Linux Micro, RKE2 Kubernetes, KubeVirt and SUSE Storage (Longhorn) distributed block storage. It runs VMs on bare metal and hosts guest Kubernetes clusters through SUSE Rancher Prime. The software is free and open source; SUSE sells support as part of SUSE Rancher Suite (priced per 1-2 socket server) or as an add-on to Rancher Prime.
- Hypervisor
- KVM (KubeVirt)
- Cluster size
- 3–32 nodes
- Two-node
- Yes · witness
- Management
- Built-in SUSE Virtualization UI + SUSE Rancher Prime (v2.14) for multiple clusters
- Data reviewed
- 2026-09-19
Strengths
- Fully open source and free to run; published MSRP for supported subscriptions.
- Kubernetes-native design hosts VMs and guest Kubernetes clusters together.
- Tight integration with SUSE Rancher Prime for multi-cluster management.
- Immutable SUSE Linux Micro base and one-click full-stack upgrades.
- MIG-backed NVIDIA vGPU support for AI workloads.
Considerations
- No deduplication, compression or erasure coding: plan for 3 full copies of data.
- No replication, stretched clusters or DR orchestration; backups only.
- SDN (Kube-OVN VPC) and the NVMe-optimised Longhorn V2 engine are experimental.
- VMware import is cold migration; third-party backup support is limited.
- Short minor-release support windows (about 12 months maintenance).
- Subscriptions per 1-2 socket server are costly relative to Proxmox or Vates.
Use-case fit
Solid VM basics with HA and live migration, but no data reduction and a younger ecosystem.
Free software and import tools, but cold import only and limited backup ecosystem.
No validated VDI brokers or storage efficiency for desktops.
Single-node and 2 + witness options with Rancher fleet management; heavy node minimums.
No storage QoS, synchronous DR or stretched clusters.
Kubernetes-native APIs and Rancher projects, but SDN is still experimental.
Designed to host Kubernetes clusters alongside VMs, managed by Rancher.
MIG-backed vGPU and SUSE AI integration.
Backup and cross-cluster restore only; no replication or orchestration.
Rancher spans clouds, but the virtualization layer is on-premises only.
Free software, but Kubernetes skills and high node minimums suit lean teams poorly.
Air-gap capable, immutable OS and open source, but no published certifications.
Fully featured free edition with snapshots, clones and Kubernetes APIs.
Every comparison point
| Architecture & platform | |
|---|---|
| Hypervisor(s)Which hypervisor runs the virtual machines, and whether a choice of hypervisor is supported. |
KVM managed by KubeVirt on Kubernetes (RKE2), on the immutable SUSE Linux Micro OS. Overview - SUSE Virtualization v1.8 ↗ |
| Architecture modelSoftware-defined (bring your own certified hardware), turnkey appliance, or disaggregated HCI (dHCI). |
Software-defined HCI appliance: install the ISO (or iPXE) on your own bare-metal servers; compute, storage and networking converge on every node. SUSE Virtualization ↗ |
| Storage engineHow the distributed storage is implemented - controller VM, in-kernel, or a separate storage layer. |
SUSE Storage (Longhorn) V1 engine: per-volume replicas across nodes, running as Kubernetes pods. V2 (SPDK) engine is experimental. Third-party CSI storage also supported. Overview - SUSE Virtualization v1.8 ↗ |
| Minimum nodes per clusterThe smallest supported production cluster. |
Three nodes for HA (first three become management nodes); or two management nodes plus one witness node. documentation.suse.com ↗ |
| Maximum nodes per clusterThe largest supported cluster, and how further scale is achieved. |
No maximum cluster size is published by SUSE; scale out with more clusters under Rancher. HCI Hero assumes 32 nodes for sizing. Hardware and Network Requirements - SUSE Virtualization v1.8 ↗ |
| Single-node deploymentWhether a one-node cluster is supported, and with what limits. |
Supported, without HA, multi-replica volumes or live migration. documentation.suse.com ↗ |
| Two-node cluster & witnessTwo-node support and what it needs as a witness or tie-breaker. |
Two management nodes plus one witness node (etcd quorum only, no workloads). Volumes then need a 2-replica storage class. documentation.suse.com ↗ |
| Stretched / metro clusterOne cluster spanning two sites with synchronous mirroring and automatic failover. |
No stretched or metro cluster configuration is documented. VM Backup, Snapshot and Restore - SUSE Virtualization v1.8 ↗ |
| Independent scaling (compute-only / storage-only nodes)Whether compute and storage can grow separately. |
Additional nodes join as workers; storage can come from external CSI arrays, decoupling capacity from compute. documentation.suse.com ↗ |
| External storage (SAN / NAS) alongside HCIWhether existing SAN or NAS arrays can be attached to the same hosts. |
Third-party CSI drivers (validated: Longhorn V2, LVM, NFS, Rook Ceph RBD), multipath devices, and SUSE-certified storage from Dell, NetApp, Oracle and Portworx. Backup is Longhorn-only. documentation.suse.com ↗ |
| All-flash / NVMe supportAll-NVMe support and any NVMe-optimised storage architecture. |
SSD/NVMe required (5,000+ random IOPS per disk). The NVMe-optimised Longhorn V2 engine is experimental. documentation.suse.com ↗ |
| Host & VM maximumsPublished maximums per host or per VM - cores, memory, VMs. |
No host or VM maximums published. Production nodes need at least 16 cores, 64 GB RAM and 500 GB disk. Hardware and Network Requirements - SUSE Virtualization v1.8 ↗ |
| Storage & data services | |
| Deduplication & compressionInline or post-process data reduction, and which editions include it. |
No deduplication or compression in SUSE Storage. Overview - SUSE Virtualization v1.8 ↗ |
| Erasure coding (RAID-5/6)Capacity-efficient parity protection instead of full mirroring. |
No erasure coding; protection is by full replicas. Overview - SUSE Virtualization v1.8 ↗ |
| Data resiliency (failures tolerated)Replication factor / failures-to-tolerate options and fault domains (rack, block). |
Default storage class keeps 3 replicas per volume on different nodes; replica count is set per storage class. documentation.suse.com ↗ |
| Snapshots & clonesSpace-efficient snapshots and clones, and their limits. |
VM and volume snapshots, VM cloning, scheduled snapshots (at least 1-hour interval) with retention. VM Backup, Snapshot and Restore - SUSE Virtualization v1.8 ↗ |
| Data-at-rest encryption & KMSSoftware encryption of the datastore, self-encrypting drives, and key management options. |
Volume encryption with the Longhorn V1 engine (not V2); no external KMS integration documented. documentation.suse.com ↗ |
| Storage QoSIOPS / throughput limits or guarantees per VM or volume. |
No storage IOPS/throughput QoS; CPU and memory reservations per VM only. Overview - SUSE Virtualization v1.8 ↗ |
| File services (SMB / NFS)Native file shares served by the platform. |
No native SMB/NFS file service. Overview - SUSE Virtualization v1.8 ↗ |
| Object storage (S3)Native S3-compatible object storage. |
No native S3 object service. Overview - SUSE Virtualization v1.8 ↗ |
| Block storage for external hostsPresenting volumes to physical servers or other clusters over iSCSI or NVMe-oF. |
Volumes are not presented to external hosts. Overview - SUSE Virtualization v1.8 ↗ |
| Data protection & DR | |
| Asynchronous replication (RPO)Native async replication and the lowest supported RPO. |
No VM replication; backups on shared NFS/S3 can be restored on another cluster (cross-cluster restore). VM Backup, Snapshot and Restore - SUSE Virtualization v1.8 ↗ |
| Synchronous replication (zero RPO)Zero-data-loss replication between sites. |
Only within a cluster (volume replicas); none between sites. VM Backup, Snapshot and Restore - SUSE Virtualization v1.8 ↗ |
| DR orchestration & runbooksAutomated failover, failback and non-disruptive DR testing. |
No DR orchestration. VM Backup, Snapshot and Restore - SUSE Virtualization v1.8 ↗ |
| Native backupBackup built into the platform, without a third-party product. |
Built-in VM backups to NFS or S3 with schedules and retention; restore as new VM, replace existing, or on another cluster. Longhorn volumes only. VM Backup, Snapshot and Restore - SUSE Virtualization v1.8 ↗ |
| Immutable snapshots & ransomware protectionTamper-proof snapshots, ransomware detection and recovery features. |
No native immutable backups or ransomware detection. SUSE Rancher Prime - The Enterprise Hybrid IT Platform ↗ |
| Third-party backup ecosystemSupport from Veeam, Commvault, Rubrik, Cohesity, HYCU and similar. |
Limited; SUSE promotes Veeam Kasten with Rancher Prime for VM and container protection. suse.com ↗ |
| DR to public cloudUsing a public cloud as the recovery site. |
No public-cloud recovery target for VMs; S3 backups only. VM Backup, Snapshot and Restore - SUSE Virtualization v1.8 ↗ |
| Networking & security | |
| Software-defined networkingOverlay networks, VPCs, distributed routing and load balancing. |
VLAN and untagged VM networks, VLAN trunking, NIC hotplug; Kube-OVN VPCs with subnets, NAT and peering are experimental. Virtual Private Cloud - SUSE Virtualization v1.8 ↗ |
| Microsegmentation / distributed firewallEast-west VM firewalling enforced at the hypervisor. |
Subnet ACLs in experimental Kube-OVN VPCs; no distributed VM firewall. Virtual Private Cloud - SUSE Virtualization v1.8 ↗ |
| RBAC, SSO & MFARole-based access control, directory / SAML integration and multi-factor authentication. |
Rancher authentication (AD, LDAP, SAML, OIDC providers) and RBAC; v1.8 adds virtualization-specific roles enforced in Rancher. SUSE Rancher Prime Integration - SUSE Virtualization v1.8 ↗ |
| Platform hardeningSecure boot, TPM, hardened baselines (STIG), automated drift remediation. |
Immutable SUSE Linux Micro OS; SUSE Security (NeuVector) zero-trust protection included in Rancher Suite. SUSE Rancher Suite (SUSE Shop) ↗ |
| Security certificationsFIPS 140, Common Criteria, DISA STIG and similar attestations. |
No FIPS, Common Criteria or STIG attestation published for SUSE Virtualization itself. SUSE Rancher Prime - The Enterprise Hybrid IT Platform ↗ |
| Management & operations | |
| Management consoleThe day-to-day management interface. |
Built-in web UI per cluster; SUSE Rancher Prime with the Harvester UI extension for multi-cluster management. Overview - SUSE Virtualization v1.8 ↗ |
| Multi-cluster / fleet managementManaging many clusters and sites from one place. |
Through SUSE Rancher Prime (v2.14 for v1.8): many clusters, RBAC and guest Kubernetes clusters from one console. SUSE Rancher Prime Integration - SUSE Virtualization v1.8 ↗ |
| Lifecycle management (full-stack upgrades)Rolling, non-disruptive upgrades of software, drivers and firmware. |
One-click cluster upgrades covering OS, Kubernetes and components, node by node; node upgrades can be paused (v1.7+). No firmware management. SUSE Virtualization (Harvester) v1.7.0 Release ↗ |
| APIs & automationREST API, Terraform, Ansible, PowerShell and CLI coverage. |
Kubernetes-native API (CRDs) and a published Harvester API; automation through kubectl, GitOps and Rancher. documentation.suse.com ↗ |
| Monitoring, analytics & capacity planningBuilt-in health, performance analytics, forecasting and right-sizing. |
Built-in Prometheus and Grafana monitoring and logging; no capacity forecasting. Overview - SUSE Virtualization v1.8 ↗ |
| Self-service & private-cloud portalCatalogues, projects, quotas and chargeback for consumers. |
Rancher projects, namespaces and quotas; no VM catalogue or chargeback. Overview - SUSE Virtualization v1.8 ↗ |
| Live migration & HALive migration, automatic restart on failure and load balancing (DRS-like). |
Live migration, automatic VM restart on node failure, and experimental descheduler-based rebalancing (v1.7). SUSE Virtualization ↗ |
| Cloud, containers & AI | |
| Kubernetes & containersNative or integrated Kubernetes, and persistent storage for containers. |
Rancher provisions RKE2/K3s guest clusters on SUSE Virtualization with its cloud provider and CSI driver (volume snapshots in guest clusters). documentation.suse.com ↗ |
| Hybrid / public cloudThe same stack in a public cloud, or cloud services managing the on-premises cluster. |
Rancher manages Kubernetes in public clouds, but SUSE Virtualization itself is on-premises only. SUSE Rancher Prime - The Enterprise Hybrid IT Platform ↗ |
| VDI / end-user computingValidated VDI brokers - Citrix, Omnissa Horizon, Azure Virtual Desktop and others. |
No validated VDI brokers. SUSE Virtualization ↗ |
| GPU & AI workloadsGPU passthrough and vGPU, and packaged AI / inference offerings. |
PCI passthrough and vGPU, including NVIDIA MIG-backed vGPU (A100, H100, H200) since v1.7. documentation.suse.com ↗ |
| Database servicesBuilt-in database provisioning and lifecycle (DBaaS). |
No database service. SUSE Virtualization ↗ |
| Deployment & hardware | |
| Deployment method & timeHow a cluster is installed, and how long that typically takes. |
Bootable ISO or automated iPXE install; further nodes join the cluster from the installer. Hours for a small cluster. documentation.suse.com ↗ |
| Hardware optionsAppliances, certified / validated nodes and compatibility lists. |
Any server-class x86_64 hardware; SUSE YES-certified hardware for SUSE Linux Micro 6.2 recommended for production. Identical CPUs advised for live migration. Hardware and Network Requirements - SUSE Virtualization v1.8 ↗ |
| Hardware OEMsWhich server vendors ship or certify nodes. |
Vendor-neutral; YES-certified servers from mainstream OEMs. Support Matrix - Harvester v1.8.x ↗ |
| Edge / ROBO suitabilitySmall footprints, remote management and low-touch operation for branches. |
Single-node and 2 + witness clusters with Rancher fleet management, but 16-core/64 GB production minimums per node. SUSE Virtualization ↗ |
| Air-gapped / disconnected operationRunning and updating without any internet or cloud connection. |
Air-gapped installation supported with the self-contained ISO and a private registry. Overview - SUSE Virtualization v1.8 ↗ |
| Migration tooling (e.g. from VMware)Built-in or vendor tools for moving VMs onto the platform. |
Three supported VMware paths: built-in vm-import-controller (VMware, OpenStack, OVA; cold migration), Coriolis (10 free licences for new customers), and manual. VM Import - SUSE Virtualization v1.8 ↗ |
| Licensing & subscription | |
| Licence modelSubscription, term, perpetual or free, and the usual term lengths. |
Open source (Harvester) and free to use; SUSE sells 1-, 3- or 5-year support subscriptions. SUSE Rancher Suite (SUSE Shop) ↗ |
| Licence metricWhat is counted - physical cores, sockets, nodes, TiB, or VMs. |
Rancher Suite is sold per server with 1-2 sockets and up to 64 cores (or per 2 cores / 4 vCPU); no per-VM fees. SUSE Rancher Suite (SUSE Shop) ↗ |
| Licensing minimumsMinimum cores per CPU, minimum order quantities and similar rules. |
Larger servers (more than 2 sockets or 64 cores) need more units. Support can also be bought as an add-on to Rancher Prime. Support and Maintenance for Rancher Prime ↗ |
| EditionsThe editions or packages sold. |
Harvester open source (free), SUSE Rancher Suite (includes Virtualization, Storage, Security) with Standard or Priority support, or Rancher Prime plus a Virtualization add-on. SUSE Rancher Suite (SUSE Shop) ↗ |
| Free / community editionA no-cost edition, and what it is licensed for. |
The full platform is free open source with community support only. SUSE Rancher Suite (SUSE Shop) ↗ |
| Guest OS (Windows Server) licensingWhat the platform does, or does not do, for Windows Server guest licensing. |
No guest OS rights included; SLES, RHEL and Windows guests are licensed separately. SUSE Rancher Suite (SUSE Shop) ↗ |
| Licence portabilityMoving the licence between hardware vendors, or into a public cloud. |
Hardware-vendor neutral; subscriptions are not tied to one OEM. SUSE Rancher Suite (SUSE Shop) ↗ |
| Support & lifecycle | |
| Support offeringsThe support levels sold, and their hours. |
Standard (business hours; Sev 1 in 2 business hours) or Priority (24x7 for Sev 1/2; Sev 1 in 1 hour, plus customer-success Slack). Support and Maintenance for Rancher Prime ↗ |
| Single point of support (hardware + software)One call for the whole stack, or separate vendors for hardware and software. |
Software only; hardware is supported by its OEM. Support and Maintenance for Rancher Prime ↗ |
| Critical-issue responseTarget response time for a severity-1 issue on the top support tier. |
Priority: 1-hour response for Severity 1, 24x7. Support and Maintenance for Rancher Prime ↗ |
| Release & update cadenceHow often feature and maintenance releases ship. |
Minor releases several times a year (v1.7 January 2026, v1.8 in 2026) with patch releases in between. SUSE Virtualization (Harvester) v1.7.0 Release ↗ |
| Lifecycle policyHow long a release is supported, and long-term-support options. |
Each minor gets maintenance then limited support: v1.7.x EOM 2026-08-09 / EOL 2027-08-09; v1.8.x EOM 2026-12-29 / EOL 2027-12-29. Support Matrix - Harvester v1.8.x ↗ |
| Cost | |
| Published list pricingWhether the OEM publishes prices, and the headline list price. |
Published MSRP: SUSE Rancher Suite, 1-2 sockets up to 64 cores, $10,091.25/yr Standard or $13,455/yr Priority. Software itself is free. SUSE Rancher Suite (SUSE Shop) ↗ |
| TCO drivers & hidden costsAdd-ons, minimums, hardware premiums and other costs that move the total. |
3 full data copies with no data reduction raise raw capacity; Rancher needed for multi-cluster; backup/DR partners; high per-node minimums (16 cores, 64 GB). SUSE Rancher Suite (SUSE Shop) ↗ |
| Vendor & ecosystem | |
| Vendor & ownershipWho owns and develops the platform, and recent ownership changes. |
SUSE. Harvester began at Rancher Labs, which SUSE acquired in 2020, and was rebranded SUSE Virtualization. SUSE Virtualization ↗ |
| Ecosystem & communityPartners, certified applications, skills availability and community. |
Built on CNCF projects (KubeVirt, Longhorn, RKE2); certified storage partners; Gartner 2026 Visionary for Server Virtualization. Smaller partner base than VMware or Nutanix. SUSE Virtualization ↗ |
| Lock-in & exit optionsOpen formats, standard hypervisors and how hard it is to leave. A higher score means less lock-in. |
Fully open source with standard KubeVirt/KVM and Kubernetes APIs. SUSE Virtualization ↗ |
| Regional availability & sovereigntyWhere the platform is sold and supported, and sovereignty considerations. |
European-headquartered vendor sold and supported worldwide via partners; open source eases sovereignty requirements. SUSE Rancher Prime Innovations Advance Enterprises' Cloud Native Strategies ↗ |
Editions
| Edition | Model | Metric | Price / unit / yr | Basis | Support | Best for |
|---|---|---|---|---|---|---|
| Harvester (open source) ↗ | Free | free | $0 | OEM list price | Community only | Labs, evaluation and self-supported deployments. |
| SUSE Rancher Suite (Standard) ↗ | Subscription | per node / host | $10,091 | OEM list price | Standard: business hours, Sev 1 in 2 business hours | Production clusters with business-hours support. |
| SUSE Rancher Suite (Priority) ↗ | Subscription | per node / host | $13,455 | OEM list price | Priority: 24x7 for Sev 1/2, Sev 1 in 1 hour | Business-critical VM and Kubernetes estates needing 24x7 support. |
Hardware routes
- SUSE YES-certified servers ↗
Hcl
Multiple OEMs — YES certification for SUSE Linux Micro 6.2 recommended for production; x86_64 in the v1.8 support matrix. - SUSE Certified Storage for Virtualization ↗
Certified
Dell, NetApp, Oracle, Portworx — External storage certified with SUSE Virtualization since v1.5.
Support
- Standard ↗
Business hours (by region, excluding holidays) · Sev-1: 2 business hours · Sev 2: 4 business hours. - Priority ↗
24x7 for Severity 1 and 2 · Sev-1: 1 hour · Sev 2: 2 hours; private Slack with customer success.
Deployment
- Networks
- Management network, VM networks (VLAN / untagged), Storage network for SUSE Storage replication (recommended dedicated), Out-of-band (BMC)
- NICs
- 10 GbE minimum for production; 2 NICs for management plus 2 for VM networks recommended
- Switching
- Two redundant switches with VLAN trunking
- Witness
- One witness node (etcd quorum only) for clusters with two management nodes
- Time to deploy
- Hours for a 3-node cluster once racked
Reference diagrams
Drawn for the default workload (200 VMs → 7 nodes). Build a comparison to size them for yours.OEM references
- ProductSUSE Virtualization ↗
- DatasheetSUSE Virtualization (Harvester) v1.7.0 Release ↗
- DocsOverview - SUSE Virtualization v1.8 ↗
- RequirementsHardware and Network Requirements - SUSE Virtualization v1.8 ↗
- LicensingSUSE Rancher Suite (SUSE Shop) ↗
- PricingSUSE Rancher Suite (SUSE Shop) ↗
- SupportSupport and Maintenance for Rancher Prime ↗
- LifecycleSupport Matrix - Harvester v1.8.x ↗
- HclSupport Matrix - Harvester v1.8.x ↗
- DrVM Backup, Snapshot and Restore - SUSE Virtualization v1.8 ↗
- SecuritySUSE Rancher Prime - The Enterprise Hybrid IT Platform ↗
- NetworkingVirtual Private Cloud - SUSE Virtualization v1.8 ↗
- K8sSUSE Rancher Prime Integration - SUSE Virtualization v1.8 ↗
- CloudSUSE Rancher Prime - The Enterprise Hybrid IT Platform ↗
- MigrationVM Import - SUSE Virtualization v1.8 ↗
- EcosystemSUSE Rancher Prime Innovations Advance Enterprises' Cloud Native Strategies ↗
- CompanySUSE Rancher Prime Innovations Advance Enterprises' Cloud Native Strategies ↗