OSNEXUS Corporation
OSNEXUS Corporation is a Bellevue-based, bootstrapped software-defined storage vendor that sells QuantaStor, a unified Ceph/OpenZFS-based platform providing file, block, and S3-compatible object storage to enterprise, HPC, AI-infrastructure, and regulated-vertical customers via subscription licensing and OEM channel partnerships.
- Company typePrivate
- Founded2010
- HeadquartersBellevue, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What OSNEXUS Corporation does
OSNEXUS Corporation is a privately held, bootstrapped software-defined storage vendor headquartered in Bellevue, Washington, founded in 2010 by Steven Umbehocker (CEO). The company develops and sells QuantaStor, a unified storage platform that consolidates file (NAS), block (SAN), and S3-compatible object storage on top of the open-source Ceph and OpenZFS foundations. QuantaStor is differentiated by Storage Grid Technology, which federates storage servers across data centers for centralized management, and by built-in multi-tenancy, anomaly detection for ransomware protection, FIPS 140-2 certified encryption, and a comprehensive RESTful API and CLI/SDK for automation.
The product portfolio is organized around four tiers: QuantaStor Enterprise Edition (paid subscription, full features), QuantaStor Trial Edition (45-day, 256TB cap), QuantaStor Community Edition (free, 80TB cap, non-commercial), and the QuantaStor Virtual Storage Appliance for multi-tenant MSP and cloud deployments. Revenue is generated through capacity- and server-based multi-year subscription licenses plus co-terminus support subscriptions; pricing is quote-based and not publicly disclosed. Distribution combines direct enterprise sales (US and UK sales contacts) with a Tech Partner Program (Seagate, Supermicro, Western Digital, Intel, NVIDIA, Veeam, Microsoft) and a Reseller Partners program.
OSNEXUS targets enterprise data centers, HPC and life sciences workloads, AI infrastructure (via its Supermicro/NVIDIA collaborations), Veeam-driven backup and disaster recovery, and regulated verticals including government, financial services, energy, and law enforcement. The company is actively expanding, with three product releases between February 2025 and March 2026, DCIG TOP 5 recognition in both Enterprise SDS Object Backup and Block Storage categories for 2025-26, and continued investment in compliance credentials (FIPS 140-2, pending EU-U.S. Privacy Shield). Leadership is lean (founder-CEO plus VP of Engineering Jayaraman Iyer) and headcount is reported in the 11-50 range, consistent with a small but operationally focused enterprise infrastructure vendor.
OSNEXUS Corporation firmographics
Firmographics- Name
- OSNEXUS Corporation
- Legal name
- OSNEXUS Corporation
- Website
- https://osnexus.com
- Company type
- Private
- Founded year
- 2010
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- OSNEXUS Corporation is a Bellevue-based, bootstrapped software-defined storage vendor that sells QuantaStor, a unified Ceph/OpenZFS-based platform providing file, block, and S3-compatible object storage to enterprise, HPC, AI-infrastructure, and regulated-vertical customers via subscription licensing and OEM channel partnerships.
- Ownership category
- akta.pro rank
OSNEXUS Corporation industry classification
Industry- Product category
- Software-Defined Storage
- NAICS
- Computer Storage Device Manufacturing (334112), Computer and Peripheral Equipment Manufacturing (33411)
- SIC
- Computer Storage Devices (3572), Computer & Office Equipment (3570)
- akta.pro primary industry
- Content Collaboration, File Sync & Share (EFSS) (HDAEAGAI)
Keywords
Where OSNEXUS Corporation is headquartered
LocationHeadquarters
- HQ city
- Bellevue
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
OSNEXUS Corporation business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales
Revenue model
- Subscription Licenses: QuantaStor is licensed via subscription model with specific term licenses that include rights to receive updates during the subscription period. Licenses are capacity-based (specific quantity of computer storage) and server-based.
- Community Edition (Free): Free Community Edition license limited to 80TB raw capacity and 4x servers per storage grid for non-commercial, educational, and testing purposes.
- Trial Edition: 45-day trial with all Enterprise features unlocked but limited to 256TB raw capacity.
- Support Subscriptions: Co-terminus support with subscription software term, includes incidents, technical contacts, and coverage options. Optional consulting and infrastructure assessment services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Multi-year contract | Enterprise Subscription - Full-featured subscription license with support and updates |
| Freemium | Pay-as-you-go | Trial Edition - 45-day full-featured trial |
| Freemium | Pay-as-you-go | Community Edition - Free non-commercial use |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels6 records
OSNEXUS Corporation product offering
Product offeringCore offering
OSNEXUS develops and sells the QuantaStor unified software-defined storage platform, which consolidates file, block, and object storage into a single grid. The platform integrates Ceph and OpenZFS to enable enterprises to virtualize and pool commodity hardware across multi-vendor environments, delivering high-performance, secure, and scalable storage for AI, HPC, virtualization, and traditional enterprise workloads.
Product overview
OSNexus Corporation offers QuantaStor, a unified software-defined storage platform. The product portfolio consists of the core QuantaStor Enterprise Edition platform (providing scalable file, block, and object storage using Ceph and OpenZFS), the free QuantaStor Community Edition for non-commercial use, the QuantaStor Virtual Storage Appliance (VSA) for virtualized deployments, and the QuantaStor Trial Edition for evaluation purposes. The platform is delivered with comprehensive developer tools including a Cloud Integration SDK with RESTful APIs, CLI utilities, and Ansible modules for automation.
Differentiator
Problem solved
Functional benefit
Brands
- QuantaStor: Unified software-defined storage platform providing scalable file, block, and object storage. Available in Enterprise Edition and Community Edition variants.
- QuantaStor Enterprise Edition
- QuantaStor Community Edition
Products and services
- QuantaStor Enterprise Edition Commercial unified software-defined storage platform providing file, block, and object storage for enterprise data centers, AI/HPC workloads, and cloud environments. Targeted at IT infrastructure teams consolidating multi-vendor storage hardware.
- QuantaStor Virtual Storage Appliance (VSA) Virtual appliance deployment format of the QuantaStor software-defined storage platform, packaged for hypervisor-based environments such as VMware ESXi, Hyper-V, KVM, and OpenStack. Designed for organizations needing storage virtualization inside existing virtual infrastructures.
- QuantaStor Cloud Integration SDK
- QuantaStor 6.6 Release Latest major version update of the QuantaStor unified storage platform, delivering expanded functionality for enterprise and AI infrastructure use cases.
Quantifiable outcome
- 90% of storage management problems eliminated with unified solution
Companies that use OSNEXUS Corporation
Customer profileNamed customers2 records
Segments7 records
Ideal customer profiles4 records
OSNEXUS Corporation technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration37 records
AI capability2 records
Feature7 records
OSNEXUS Corporation partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core and minor.
- SupermicrocorePetascale all-flash array collaboration for on-premises enterprise storage. Featured at Supermicro Open Storage Summit 2025. Joint validated solution-ready infrastructure for AI workloads.
- SeagatecoreSeagate is a key technology partner with deep integration including Seagate CORVAULT support in QuantaStor v6.6.11. Joint case study with PXGEO and Seagate Exos systems. OSNexus and Seagate have a unified support process and policy.
- Western DigitalcoreWestern Digital is a technology partner with QuantaStor supporting Data24 NVMe-oF JBOFs (4200 series for scale-up, 4100 series for scale-out). Featured at Computex 2025 with AI-ready storage innovations.
- VeeamcoreQuantaStor is Veeam Ready certified for Object, File, and Block storage. Deep integration for Veeam Backup & Recovery use cases.
- Ceph FoundationminorOSNexus is a Ceph Foundation Member supporting open source Ceph storage technology development.
- Linux FoundationminorOSNexus is a Linux Foundation Silver Member supporting open source storage technologies.
- OpenZFSminorOSNexus is an OpenZFS Developer Summit Gold Sponsor supporting open source ZFS development.
Scale indicators3 records
Recent moves6 records
Expansion highlights6 records
OSNEXUS Corporation competitors and assessment
Company assessmentDirect peers
- Scality: Software-defined object and file storage vendor for enterprise and service-provider scale-out deployments. Competes with OSNexus in large-capacity, multi-site file and object storage use cases.
- Cloudian: Object and file software-defined storage vendor focused on enterprise and backup/archive workloads, including Veeam-integrated solutions. Directly comparable to QuantaStor's S3-compatible object storage and Veeam-Ready positioning.
- DataCore Software: Software-defined storage platform providing block and file storage with multi-protocol support. Comparable to OSNexus's unified SAN/NAS/object approach in QuantaStor for enterprise data centers.
- MinIO: Open-source-native S3-compatible object storage software with a strong enterprise following. Closely comparable to OSNexus's object and S3-compatible storage capabilities in QuantaStor, and competes for the same on-prem object storage buyers.
- Red Hat (OpenShift Data Foundation / Ceph): Provides a commercially supported Ceph-based software-defined storage stack bundled with OpenShift. Directly competes with OSNexus's Ceph-powered scale-out storage in QuantaStor, particularly for OpenStack/containers-driven buyers.
- SUSE (Enterprise Storage / Ceph): SUSE offers commercially supported Ceph-based storage products, often bundled with its Linux platform. Comparable to OSNexus's Ceph-based scale-out block and object storage in QuantaStor for enterprise and HPC use cases.
Broad incumbents
- Pure Storage: Established all-flash enterprise storage vendor with block, file, and increasingly object capabilities. Overlaps with OSNexus in enterprise block storage and AI workload scenarios.
- VAST Data: Unified data platform combining storage, database, and compute functions for AI/analytics workloads. Operates in adjacent SDS territory with a broader, more integrated stack targeting AI infrastructure buyers also pursued by OSNexus.
- NetApp: Major enterprise storage incumbent with unified file, block, and object offerings (ONTAP, StorageGRID). Competes broadly with QuantaStor in enterprise data centers, particularly where incumbents have long-standing install bases.
Emerging players
- Hammerspace: Emerging vendor in global parallel file systems and unified file/object data orchestration for AI/HPC. Comparable to QuantaStor's multi-site storage grid and AI workload positioning, with a more specialized focus.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
OSNEXUS Corporation social profiles
Digital presenceOSNEXUS Corporation compliance and trust
Trust signalCompliance2 records
OSNEXUS Corporation financial estimates
Financial estimateRevenue estimate
Valuation estimate
OSNEXUS Corporation leadership team
Management profileNumber of profiles
Profiles2 records
OSNEXUS Corporation funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
OSNEXUS Corporation M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about OSNEXUS Corporation
What does OSNEXUS Corporation do?
OSNEXUS develops and sells the QuantaStor unified software-defined storage platform, which consolidates file, block, and object storage into a single grid. The platform integrates Ceph and OpenZFS to enable enterprises to virtualize and pool commodity hardware across multi-vendor environments, delivering high-performance, secure, and scalable storage for AI, HPC, virtualization, and traditional enterprise workloads.
Is OSNEXUS Corporation a public or private company?
OSNEXUS Corporation is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was OSNEXUS Corporation founded?
OSNEXUS Corporation was founded in 2010. It employs 11 to 50 people.
Where is OSNEXUS Corporation based?
OSNEXUS Corporation is headquartered in Bellevue, United States, in the North America region.
How does OSNEXUS Corporation make money?
Four revenue lines are on record. Subscription Licenses are the primary driver. The others are community Edition (Free), trial Edition and support Subscriptions.
Who are OSNEXUS Corporation's main competitors?
Direct peers on record are Scality, Cloudian, DataCore Software, MinIO, Red Hat (OpenShift Data Foundation / Ceph) and SUSE (Enterprise Storage / Ceph). Broad incumbents are Pure Storage, VAST Data and NetApp. Hammerspace is listed as an emerging player.
Does OSNEXUS Corporation have an API?
Yes. QuantaStor provides a comprehensive RESTful API for automated storage system, cluster, and storage grid configuration management. The API supports multiple programming languages including C/C++ (via libcurl), Python (via PyCurl), Unix/Linux/VMware/XenServer scripting (via curl), and PHP (via curl). It also supports SOAP/WebServices implementations including gSOAP (C++), Apache Axis (Java), and .NET (C# & Visual Basic). The REST interface uses SSL via HTTPS and supports both synchronous (blocking) and asynchronous (non-blocking) API calls. A Python client library (qsclient) is available via PyPi, and Ansible modules are available on GitHub for infrastructure automation. Developer documentation is at wiki.osnexus.com/index.php?title=REST_API_Reference_Guide.
What industry is OSNEXUS Corporation in?
OSNEXUS Corporation's product category is Software-Defined Storage. Its primary akta.pro industry code is HDAEAGAI, Content Collaboration, File Sync & Share (EFSS). Its NAICS code is 334112 and its SIC code is 3572.