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StarWind Virtual SAN

starwindsoftware.com

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Spec score 8.4 #3 of 28 in Storage Management Software

What it is

StarWind Virtual SAN is software designed to replace physical shared SAN storage in SMB, ROBO, and Edge environments. It provides fault tolerance and high availability starting with two nodes, and supports iSCSI, SMB3, NFS v4.1, VVols iSCSI, NVMe over Fabrics, and iSER. Deployment options include Windows-native software in a Hyper-V partition or a Linux-based virtual machine on a chosen hypervisor. An HTML5 console is used to monitor and manage hardware and software resources. Listed reliability features include ZFS self-healing, AI-powered telemetry, and call-home systems. Supported hypervisor versions include VMware vSphere ESXi 8.0 or later, Windows Server Hyper-V 2019 or later, oVirt/OLVM/RHV 4.4 or later, Proxmox VE 9.1 or later, and XCP-ng 8.3 or later. The free edition is self- or community-supported, and its comparison lists web UI support for KVM only; paid editions list KVM, Hyper-V, and ESXi. A 30-day trial is available, while paid pricing is on request.

Spec sheet

What it does
StarWind Virtual SAN is software-defined storage that replaces physical shared SAN hardware by pooling and mirroring internal disks and flash between virtualization hosts.Read 15 Oct 2026 · starwindsoftware.com
Purpose
StarWind Virtual SAN is software that replaces physical shared SAN storage and targets Enterprise ROBO, SMB and Edge environments.Read 1 Oct 2026 · starwindsoftware.com
Deployment
It can run as Windows-native software in a Hyper-V partition or as a Linux-based virtual machine on a chosen hypervisor.Read 1 Oct 2026 · starwindsoftware.com
Trial
The full-force StarWind VSAN free trial lasts 30 trial days.Read 1 Oct 2026 · starwindsoftware.com
Support
VSAN Free is self-supported or community-supported through StarWind Forums, while the paid edition includes deployment, configuration, integration and responsive technical support.Read 1 Oct 2026 · starwindsoftware.com
Headquarters
Beverly, Massachusetts, USARead 28 Sep 2026 · starwindsoftware.com
Founded
2003Read 28 Sep 2026 · starwindsoftware.com
Appliance foundation
The current controller VM appliance is based on Debian 13.7, uses UEFI-only boot templates and disables Secure Boot by default.Read 15 Oct 2026 · starwindsoftware.com
Azure integration
The Microsoft Marketplace listing describes extending on-premises workloads to Azure and distributing highly available shared storage between private and public clouds.Read 15 Oct 2026 · marketplace.microsoft.com
Company headquarters and founding
LinkedIn lists StarWind Inc. headquarters in Beverly, Massachusetts and a 2003 founding year.Read 15 Oct 2026 · linkedin.com
Company investors
Crunchbase lists three investors, including Almaz Capital and ABRT, with a Series B funding record.Read 15 Oct 2026 · crunchbase.com
Company legal identity
Crunchbase identifies the legal entity as StarWind Software Inc. and lists it as a subsidiary of DataCore Software.Read 15 Oct 2026 · crunchbase.com
Company size
LinkedIn categorizes StarWind as a privately held software-development company with 201–500 employees.Read 15 Oct 2026 · linkedin.com
Documentation
The official help site provides installation, TCP/IP settings, server configuration, concepts, unattended setup and license-application guides.Read 15 Oct 2026 · starwindsoftware.com
Free-edition limit
The free-versus-paid comparison lists the free edition's web UI as KVM only, while the paid edition lists KVM, Hyper-V and ESXi.Read 1 Oct 2026 · starwindsoftware.com
Free-use terms
StarWind's licensing guidance says free licences can be used in production, but free products receive support only through the online community forum.Read 15 Oct 2026 · knowledgebase.starwindsoftware.com
High availability
StarWind states that enterprise-level high availability can be configured in minutes and supports two-node deployments.Read 15 Oct 2026 · starwindsoftware.com
Hypervisor integrations
Supported virtualization platforms listed by StarWind include VMware vSphere ESXi, Microsoft Hyper-V, Proxmox VE, oVirt/OLVM/RHV, XCP-ng and KVM-based hypervisors.Read 15 Oct 2026 · starwindsoftware.com
Hypervisors
Supported hypervisor versions include VMware vSphere ESXi 8.0 or later, Windows Server Hyper-V 2019 or later, oVirt/OLVM/RHV 4.4 or later, Proxmox VE 9.1 or later and XCP-ng 8.3 or later.Read 1 Oct 2026 · starwindsoftware.com
Knowledge base
StarWind maintains a searchable knowledge base covering virtualization, VMware, Hyper-V, Proxmox, high availability, data protection and disaster recovery.Read 15 Oct 2026 · knowledgebase.starwindsoftware.com
Latest notable release
The September 18, 2026 release introduced Debian 13.7 appliances and offline VM-based migration from Ubuntu- or CentOS-based deployments while retaining configuration and storage.Read 15 Oct 2026 · starwindsoftware.com
Licence
The commercial agreement grants a non-exclusive, non-transferable software licence and says StarWind source code is proprietary trade-secret material.Read 15 Oct 2026 · starwindsoftware.com
Limit: documentation and monitoring
Reviewers report confusing documentation, gaps in free-edition guidance, limited dashboards and a desire for more granular alerting.Read 15 Oct 2026 · trustradius.com
Limit: free-edition management
A G2 reviewer reports that the free VMware virtual-machine deployment lacks a Web GUI and relies on community support, while TrustRadius reviewers mention PowerShell-based management.Read 15 Oct 2026 · g2.com
Limit: scalability
TrustRadius review synthesis identifies scalability limitations, especially around three-node cluster scenarios and synchronization after ungraceful shutdowns.Read 15 Oct 2026 · trustradius.com
Limit: setup complexity
TrustRadius reviewers repeatedly cite challenging initial configuration, command-line LUN work and the need for networking expertise.Read 15 Oct 2026 · trustradius.com
Management
The product provides a Web Management Console and a StarWind Management Console for storage, licensing, pools, disks, users and LUN operations.Read 15 Oct 2026 · starwindsoftware.com
Network requirements
StarWind requires dedicated replication and data interfaces plus management networking, with at least 1-GbE replication bandwidth and under-5-ms replication latency.Read 15 Oct 2026 · starwindsoftware.com
NVMe-oF
The May 29, 2026 release added generally available standalone and high-availability NVMe-over-Fabrics LUNs with Web Management Console lifecycle controls.Read 15 Oct 2026 · starwindsoftware.com
Performance
StarWind markets the product as having low overhead so underlying server hardware can deliver high storage performance.Read 15 Oct 2026 · starwindsoftware.com
PowerShell extensibility
Release notes document the StarWindX PowerShell library, including scripts for converting standalone devices to high availability and methods for partner management.Read 15 Oct 2026 · starwindsoftware.com
Praise: availability and reliability
Reviewers on G2 and TrustRadius commonly report reliable synchronous mirroring, failover and high availability for two-node virtualization clusters.Read 15 Oct 2026 · trustradius.com
Praise: cost and hardware flexibility
G2 and TrustRadius reviewers repeatedly praise avoiding dedicated SAN hardware, reusing existing servers and reducing infrastructure cost.Read 15 Oct 2026 · g2.com
Praise: support
TrustRadius reviewers frequently describe StarWind support as very good, especially during deployment and troubleshooting.Read 15 Oct 2026 · trustradius.com
Pricing model
StarWind states that pricing scales with usable storage capacity and that the quoted license includes all features, professional technical support and assisted deployment.Read 1 Oct 2026 · starwindsoftware.com
Product history
StarWind says its Native SAN product was released in 2011 and later rebranded to Virtual SAN.Read 1 Oct 2026 · starwindsoftware.com
Protocols
The product supports iSCSI, SMB3, NFS v4.1, VVols iSCSI, NVMe over Fabrics and iSER.Read 1 Oct 2026 · starwindsoftware.com
Rating on G2
4.7 out of 5 from 204 reviewsRead 15 Oct 2026 · g2.com
Rating on Gartner Peer Insights
4.7 out of 5 from 437 ratingsRead 15 Oct 2026 · gartner.com
Rating on Microsoft Marketplace
4.9 out of 5 from 193 ratingsRead 15 Oct 2026 · marketplace.microsoft.com
Rating on TrustRadius
9.5 out of 10 from 167 reviews and ratingsRead 15 Oct 2026 · trustradius.com
Security advisories
StarWind publishes advisories for component vulnerabilities; entries dated September 21, 2026 cover Mbed TLS, rsyslog and OpenZFS issues.Read 15 Oct 2026 · starwindsoftware.com
Self-healing
The feature set includes ZFS self-healing, AI-powered telemetry and call-home systems intended to improve reliability without customer intervention.Read 15 Oct 2026 · starwindsoftware.com
Storage architecture
The product creates a fault-tolerant storage pool designed for virtualization workloads and can run on commodity x86 servers without a hardware compatibility list.Read 15 Oct 2026 · starwindsoftware.com
System CPU requirements
For iSCSI HA storage StarWind specifies at least four 1.7-GHz vCPUs in a controller VM or one 1.7-GHz physical CPU as a Windows application; NVMe-oF HA requires at least eight vCPUs.Read 15 Oct 2026 · starwindsoftware.com
System memory requirements
The VSAN minimum is 8 GB RAM, with 16 GB listed as the default and extra memory recommended for RAM caching.Read 15 Oct 2026 · starwindsoftware.com
Target users
StarWind says Virtual SAN is designed and priced for SMB, ROBO and Edge deployments.Read 1 Oct 2026 · starwindsoftware.com
Technology partnerships
StarWind lists VMware Ready and VMware Hardware Compatibility List status, Windows Server certification, Citrix Ready compatibility, Veeam cooperation, and Dell and Intel technology partnerships.Read 15 Oct 2026 · starwindsoftware.com

Plans and prices

StarWind Virtual SAN Free Free Self-supported free edition functionality limitations vary by platform · support through community forum · Linux KVM version may have no functionality limits Read 15 Oct 2026 · starwindsoftware.com
Virtual SAN Free Free self-supported · functionality limitations · Linux KVM version may have no limitations Read 1 Oct 2026 · starwindsoftware.com
Datacenter Priced on request single site/datacenter · unlimited nodes · unlimited capacity · asynchronous replication Read 1 Oct 2026 · starwindsoftware.com
Enterprise Priced on request per-node licensing · minimum two nodes · unlimited nodes · no storage-capacity limits · asynchronous replication available Read 1 Oct 2026 · starwindsoftware.com
StarWind Virtual SAN Priced on request Term license is the default; quote includes full software, professional support and assisted deployment software-only · customer supplies hardware · Hyper-V, VMware, Proxmox or KVM · optional ProActive Premium monitoring Read 15 Oct 2026 · starwindsoftware.com

Every StarWind Virtual SAN plan and price →

Strong points and limits

Strong points

  • High availability starts with two nodes
  • Supports iSCSI, SMB3, NFS v4.1, and other protocols
  • Runs as Windows-native software or a Linux-based VM
  • 30-day trial available

Limits

  • Free edition web UI is listed for KVM only
  • Free edition is self- or community-supported
  • Paid pricing is on request

Who it suits

StarWind Virtual SAN suits SMB, ROBO, and Edge deployments seeking shared storage software with high availability from two nodes. It may fit teams using one of the listed hypervisors and storage protocols.

StarWind Virtual SAN in depth

Read the full write-up

StarWind Virtual SAN is software-defined shared storage for organizations replacing a physical SAN in SMB, remote-office and edge environments. It suits teams building around supported hypervisors and needing high availability from a small cluster. Its protocol range and deployment options are substantial, but the free edition’s support and web UI limits matter in production planning.

Overview

Virtual SAN aims to provide shared storage without a dedicated physical SAN, with fault tolerance and high availability starting at two nodes. That makes it a practical option for smaller or distributed sites that need resilient storage without first building a large cluster. The product line began as StarWind Native SAN in 2011 before taking its current name.

Deploy it either as Windows-native software in a Hyper-V partition or as a Linux-based virtual machine on a chosen hypervisor. An HTML5 console monitors and manages hardware and software resources. StarWind also identifies ZFS self-healing, AI-powered telemetry and call-home systems as automated reliability features; these may reduce routine operational work, but free users must handle support themselves or turn to the community.

Key features

Protocols and deployment flexibility

Supported protocols include iSCSI, SMB3, NFS v4.1, VVols iSCSI, NVMe over Fabrics and iSER. That breadth can accommodate varied storage connections within one environment, while the Windows-native and Linux-VM deployment choices let teams align the storage layer with their infrastructure approach. Capacity monitoring and performance optimization are also supported.

Hypervisor compatibility

Supported versions include VMware vSphere ESXi 8.0 or later, Windows Server Hyper-V 2019 or later, oVirt/OLVM/RHV 4.4 or later, Proxmox VE 9.1 or later and XCP-ng 8.3 or later. This is a useful range, but compatibility should be checked against the exact version and edition before rollout. In particular, the free-versus-paid comparison limits the free edition’s web UI to KVM; the paid edition lists KVM, Hyper-V and ESXi.

Pricing

Virtual SAN uses a freemium model: Virtual SAN Free is free, and StarWind offers custom pricing for paid editions. A full-force free trial runs for 30 trial days.

Virtual SAN Free: No-cost, self-supported use with functionality limitations; the Linux KVM version may have no limitations. Support is through StarWind Forums or self-service, so this fits technically capable teams that can own deployment and troubleshooting. The free-edition web UI limitation to KVM also narrows its fit for Hyper-V or ESXi management.

Enterprise: Custom pricing with per-node licensing, a two-node minimum, unlimited nodes, no storage-capacity limits and asynchronous replication available. It suits deployments that need a supported paid route and room to grow without a stated capacity ceiling.

Datacenter: Custom pricing for a single site or datacenter, with unlimited nodes and capacity and asynchronous replication. It is the plan aligned to a single-location footprint; Enterprise is the alternative when per-node licensing and its stated minimum-node structure better match the deployment.

Paid editions include deployment, configuration, integration and responsive technical support. That assistance is the clearest practical distinction from Free for organizations that cannot absorb setup and ongoing support work internally.

Platforms

StarWind lists Linux, Windows, web and self-hosted platforms. The deployment models and hypervisor version requirements are more useful for planning than the broad platform labels alone: verify the target environment, especially if relying on the free edition’s web UI.

Who it's for

Virtual SAN is aimed at SMB, ROBO and Edge deployments. It is strongest for teams that want shared storage on a supported hypervisor, need a two-node high-availability starting point, and value a choice of protocols and deployment models. Organizations requiring included deployment or responsive technical support should budget for a paid edition. Those needing a free, broadly supported web UI should look elsewhere or confirm the KVM-only free UI is acceptable.

Pros and cons

Pros

High availability and fault tolerance start at two nodes, a fit for compact sites.

iSCSI, SMB3, NFS v4.1, VVols iSCSI, NVMe over Fabrics and iSER cover a broad set of storage connections.

Windows-native and Linux virtual-machine deployment options support different hypervisor approaches.

Paid editions offer unlimited nodes and capacity, with asynchronous replication available.

Cons

Free support is self-service or community-based, not included technical support.

The free edition’s web UI is limited to KVM in the comparison, unlike the paid edition’s KVM, Hyper-V and ESXi support.

Enterprise and Datacenter prices are custom, so buyers need a quote to assess cost.

Hypervisor compatibility depends on specific minimum versions, which can rule out older deployments.

Alternatives

MinIO AIStor is worth considering when a free single-node deployment with its full feature set is more important than StarWind’s two-node high-availability starting point; its free plan prohibits redistribution.

TrueNAS is a no-cost community-edition option for teams seeking free software for any x86 hardware with community support.

Quobyte may fit teams whose needs fall within its free edition’s 150 TB storage limit.

BeeGFS is another free option for Linux and self-hosted environments.

Ceph is a free choice for teams seeking open-source distributed storage and able to operate a Ceph cluster for block storage.

Komprise Intelligent Data Management is a paid alternative with subscription capacity documented in the customer quote.

DataCore SANsymphony is another paid option, with annual or multi-year terms and pricing based on managed capacity in TB.

Browse more options in Storage Management Software and Software-Defined Storage Software.

Verdict

Choose StarWind Virtual SAN if your SMB, remote-office or edge environment needs shared storage with high availability from two nodes, broad protocol support and a deployment path that matches a supported hypervisor. Its no-cost edition can work for KVM users comfortable with limited functionality and self-support; teams needing broader web UI coverage and deployment or technical assistance should consider paid custom-priced editions. If you need a free web UI beyond KVM, or your target hypervisor falls below the supported versions, look elsewhere.

Verdict

StarWind Virtual SAN offers multiple deployment choices and a broad protocol list, with the free edition's web UI limited to KVM in the comparison. Confirm hypervisor compatibility and support needs before selecting an edition.

Where Specifiction places it

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