RackTop Systems
Why RackTop / BrickStor SP vs Qumulo
Architectural Comparison

BrickStor SP vs Qumulo: six years of inline defense vs a 2026 add-on

Qumulo is a capable scale-out file platform with genuinely good real-time analytics and strong cloud offerings. On security, the timelines diverge sharply: BrickStor SP has run inline detection and response in the data path since October 2020, covering ransomware and data theft equally. Qumulo's native detection arrived in May 2026 as a separately priced, ransomware-focused add-on, cloud-first with on-premises pending. This page compares the two across storage, security, and performance.

Two Different Design Centers

Scale-out file storage adding security vs Cyberstorage built around it

Qumulo built a modern scale-out file system with real-time analytics and a strong cloud story (Azure Native Qumulo as a managed service, Cloud Native Qumulo on AWS). Its security model has historically been integration-based: audit logs stream to external tools such as Varonis or Superna, which do the detecting and alerting off-box. In May 2026 Qumulo launched NeuralProtect, native AI-driven ransomware detection at the point of write, as a separately licensed add-on priced as a 25% uplift on its cloud offerings, with on-premises availability pending at launch.

BrickStor SP was engineered from the first line of code as storage that defends itself, and has shipped that defense since October 2020. Patented Active Defense evaluates every read, write, and delete inline. ABAC governs every SMB, NFS, S3, and Web Drive operation. ImmutaVault provides a virtual air gap inside the platform, and patented Intelligent Bulk Remediation rolls back exactly the files an attack touched. All of it is included in the platform, on every deployment model, with no cloud dependency.

Why this matters: security architecture is proven by years of production behavior, breadth of threat coverage, and inclusion in the platform. A first-release, ransomware-only, extra-cost add-on is a start, not parity.

What Qumulo Does Well

Credit where it's due

Real-time analytics. Qumulo's tree-aggregated metadata gives instant capacity and activity visibility without tree walks. It is a genuine, long-standing differentiator and customers love it.

Cloud elasticity. Azure Native Qumulo as a managed service and Cloud Native Qumulo on AWS, with demonstrated very high aggregate throughput, make Qumulo one of the stronger file-in-cloud stories.

Media and entertainment heritage. Qumulo has strong heritage and penetration in the media and entertainment industry, where large namespaces, streaming throughput, and real-time visibility earned it a loyal following.

The comparison below is about a different question: whether the platform holding your primary unstructured data can see and stop the attacks against it, at the layer where they execute, for both ransomware and data theft.

Storage

Storage capabilities side by side

Capability

RackTop

BrickStor SP

Qumulo

Qumulo Core / Scale Anywhere

Platform design centerPurpose-built primary Cyberstorage NAS. Serving and defending live unstructured data is the same system.Scale-out file system spanning on-prem, edge, and cloud (“Scale Anywhere”), built for large namespaces and cloud mobility.
ProtocolsSMB, NFS, S3, and Web Drive from the same dataset, governed by one ABAC policy framework.SMB, NFSv3/v4.1, S3, FTP, and REST on the same dataset. No browser-based file access.
Snapshots and immutabilityPolicy-driven immutable snapshots with sub-minute RPO, plus patented ImmutaVault for isolated, manifest-backed vault copies.Up to 40,000 snapshots with snapshot locking; locked snapshots still expire on schedule. S3 Object Lock is compliance-mode only and bucket-scoped. No general WORM retention on SMB/NFS file data.
Replication and failoverAsynchronous replication to one or more BrickStor targets, policy-driven with immutable recovery points.Asynchronous snapshot-based replication only. Qumulo’s documentation notes planned failover requires a read-only source and a final sync, and unplanned failover can leave the target in an inconsistent state.
Data reductionInline compression and thin snapshots and clones, sized for primary data.No deduplication or compression. Erasure coding only, so effective cost per usable TB is higher than headline pricing suggests.
TieringPatented Transparent Data Movement: policy tiering to S3, NFS, or another BrickStor while files stay accessible at the original path. Tiering to external storage or cloud S3 is licensed separately per GB.Cloud Data Fabric portals for cross-site and cloud data access; cloud deployments disaggregate onto object storage.
Migration onto the platformSeamless migration from any NAS or NFS/SMB file share. With GHOST, users cut over first, in hours, and data migrates in the background with Cyberstorage protections active from the cutover line.Traditional copy-based migration: copy the files with host-side or partner tooling, run incremental syncs to catch up with changes, then take a planned outage window to cut users over.
Hardware and channelRackTop and partner appliances (HPE, Dell, Crystal Group, and others), SAN gateway, or virtual appliance across major hypervisors and clouds.Software-only since 2021, on Supermicro, Fujitsu, and Cisco UCS.
Security

Security capabilities side by side

The decisive differences: maturity (2020 vs 2026), threat coverage (ransomware and data theft vs ransomware only), and packaging (included in the platform vs a separately priced add-on).

Capability

RackTop

BrickStor SP

Qumulo

Qumulo + NeuralProtect / integrations

Detection modelPatented Active Defense: behavioral evaluation of every read, write, and delete, inline in the data path, shipping since October 2020. No training or learning period is required, and because the analysis is behavioral rather than signature-based, it detects and stops zero-day attacks.Historically delivered by third parties (Varonis via a separate Broker VM, or Superna) consuming audit logs off-box. NeuralProtect, announced May 2026, adds native write-path ransomware detection.
What the native detection coversRansomware and data theft equally: encryption behavior, bulk reads, abnormal access patterns, staged exfiltration, and compromised-account activity.NeuralProtect targets ransomware and malware at the point of write. Qumulo makes no claims about insider data theft or exfiltration detection.
Cost and availability of the detectionIncluded in the BrickStor SP platform subscription, on every deployment model.NeuralProtect is separately licensed at a 25% uplift on Azure Native Qumulo and Cloud Native Qumulo pricing, with on-premises availability listed as pending at launch.
Data theft and exfiltrationActive Defense analyzes read behavior live and terminates a bulk-copy or staged-exfiltration session while the data is still yours.No native capability documented. Exfiltration-type analytics require Varonis or Superna integrations analyzing the audit stream out of band.
Access controlFull Active Directory and LDAP integration with POSIX permissions and fine-grained ACLs. Native ABAC enforced across all protocols, including NFS 4.2 context security labels, with per-dataset integration with external ABAC policy engines.POSIX, NFSv4.1, and SMB ACLs with admin RBAC. No attribute-based access control appears in Qumulo documentation.
Cyber vaultingPatented ImmutaVault: a virtual air gap inside the platform with manifest-backed integrity for forensics and retention.No equivalent. Immutability is scoped to locked snapshots and compliance-mode S3 buckets.
Forensics and auditImmutable, tamper-evident record of every file operation with user, session, and client context, streamed to SIEM and SOAR.Audit logging streams over syslog to external systems; analysis happens in whatever tool receives it.
EncryptionPer-dataset AES-256 keys with true cryptoshred, layered with a FIPS 140-3 validated hardware module.Always-on AES-256 at rest with a FIPS 140-2 Level 1 validated module. No FIPS 140-3 validation found in public records, and 140-2 certificates sunset in September 2026.
Cyber recoveryPatented Intelligent Bulk Remediation: surgical, file-level rollback driven by the platform’s own forensic record. Sub-minute RPO.Snapshot rollback. Recovery granularity is the snapshot, and identifying attack scope depends on external analytics.
Performance

Performance architecture side by side

Neither vendor publishes audited head-to-head benchmarks, so honest performance comparison starts with what each data path was engineered to optimize and what each vendor documents.

Capability

RackTop

BrickStor SP

Qumulo

Qumulo Core / Scale Anywhere

Workload design pointPrimary, latency-sensitive mixed workloads with security evaluated inline: user shares, project data, engineering, media, and analytics pipelines.Scale-out throughput across large namespaces, with strong cloud elasticity (Qumulo has demonstrated very high aggregate throughput in cloud deployments). A genuine strength.
VisibilityReal-time security analytics: who is touching what, from where, at what rate, with behavioral context and alerting.Real-time capacity and activity analytics are a genuine, long-standing Qumulo differentiator; reviewers note the absence of native historical trending.
Where the security work happensOn-controller, per-operation, with no external hop. RAM is the primary caching layer, which gives the platform the headroom to run its behavioral security functions without impacting user experience or application performance. The same defense on all-flash, hybrid, SAN gateway, and virtual deployments.Historically in external tools fed by audit logs. NeuralProtect moves ransomware detection on-box for cloud deployments; exfiltration visibility remains external.
Effective capacity economicsInline compression plus patented TDM tiering move cold data to cheaper storage without leaving the namespace.No deduplication or compression, so usable-capacity economics depend entirely on raw disk and erasure-coding overhead.

Comparison based on publicly available product documentation, press coverage, and peer reviews as of mid-2026, including Qumulo's NeuralProtect launch materials. Vendor capabilities evolve; contact us if you believe any entry is out of date and we will validate against the current release.

What the public record says about Qumulo

To be clear about what the record shows: Qumulo's product reviews are strong, its support is praised, and it has repeatedly earned analyst recognition. The public questions cluster in two areas, each documented rather than rumored.

Security arrived late, narrow, and extra-cost. Until May 2026, threat detection meant streaming audit logs to Varonis (through a dedicated Broker VM) or Superna. NeuralProtect changes that for ransomware, and Qumulo's own launch materials define its boundaries: separately licensed at a 25% price uplift on cloud deployments, on-premises pending at launch, and scoped to ransomware and malware with no insider-theft or exfiltration claims. No ABAC appears anywhere in Qumulo's documentation, and immutability is scoped to snapshots and compliance-mode S3 buckets rather than general WORM file retention.

Data services are thinner than incumbents'. The platform has no deduplication or compression (a gap confirmed in third-party validation documents and recurring in reviews), asynchronous-only replication whose own documentation warns unplanned failover can leave the target inconsistent, and reviewer requests for historical analytics trending.

BrickStor SP's contrast is simple: the defense has been shipping and maturing in production since October 2020, covers data theft as fully as ransomware, is included in the platform on every deployment model, and pairs with data services (compression, TDM tiering, ImmutaVault, per-dataset encryption) built for primary enterprise data.

The Architectural Consequence

Threat coverage is not a feature checkbox. It is years of behavioral tuning.

Detection engines earn trust in production: learning what normal looks like across thousands of environments, driving false positives down without opening false-negative holes, and expanding from the obvious attack (mass encryption) to the quiet ones (a credentialed account reading terabytes it has never touched before). That maturity cannot be shipped in a first release.

It is also why threat scope matters more than the word “native.” A write-path ransomware detector, however good, is blind to exfiltration by design: stealing data is a read operation, and reads leave no encryption signature. The half of modern double extortion that restore can never fix is exactly the half a ransomware-only engine does not see.

BrickStor SP has been doing both jobs, inline, since 2020.

Active Defense evaluates reads and writes with behavioral context and terminates hostile sessions in under a second. Patented Intelligent Bulk Remediation rolls back exactly the files an attack touched. ImmutaVault keeps isolated, manifest-backed copies that survive administrative compromise. And all of it is the platform, not a price uplift.

When to Choose Each

Pick the platform that matches the job

Choose Qumulo if

Your problem is elastic scale-out file capacity across sites and clouds: large namespaces, burst compute in Azure or AWS, and real-time capacity visibility, with security handled by your existing analytics stack or the new NeuralProtect add-on as it matures. Qumulo's managed Azure service is particularly strong if you want file storage delivered as a cloud-native resource.

Choose BrickStor SP if

Your problem is defending primary unstructured data in real time against ransomware and data theft equally, with detection that has been in production for years, included in the platform, on-prem and air-gapped as first-class deployments. You need ABAC on SMB, NFS, S3, and Web Drive for federal, regulated, or coalition workloads, vaulting with forensic provenance, per-dataset encryption with cryptoshred, and surgical recovery measured in seconds. And you get flexibility in how it deploys: at the edge, the core, or the cloud, putting the data where it needs to be to meet the mission and business operations.

The Historical Record

Two companies, two missions

  1. 2010

    RackTop founded by veterans of the U.S. Intelligence Community.

  2. 2012

    Qumulo founded by Isilon alumni, focused on scale-out file storage with real-time analytics.

  3. 2018

    RackTop coins CyberConverged™ Storage and ships the first NAS with security built into the storage layer.

  4. 2020

    RackTop ships Active Defense (October): the first inline threat detection and response in a NAS data path.

  5. 2021

    Gartner introduces the term “Cyberstorage.” Qumulo exits the hardware appliance business, going software-only.

  6. 2024

    Active Defense patent issued: U.S. Patent No. 11,868,495 B2 (Jan 9, 2024).

  7. 2025

    ImmutaVault patent issued (Feb 4) and Transparent Data Movement patent issued (Jun 17).

  8. 2026

    Intelligent Bulk Remediation patent issued (Feb 24). Qumulo launches NeuralProtect ransomware detection as a separately priced add-on (May), cloud-first with on-prem pending.

FAQ

BrickStor SP vs. Qumulo, answered

Yes, and it deserves accurate framing. Qumulo announced NeuralProtect in May 2026: AI-driven detection at the point of write with automated responses including session termination and defensive snapshots. Three caveats come from Qumulo’s own materials: it is separately licensed at a 25% uplift on Azure Native and Cloud Native Qumulo pricing, on-premises availability was listed as pending at launch, and it targets ransomware and malware, with no claims about insider data theft or exfiltration. BrickStor SP has shipped inline detection and response since October 2020, covering ransomware and data theft equally, included in the platform, on every deployment model.
Not natively. Qumulo’s documented model for that class of threat is integration: audit logs stream to Varonis (through a separate Qumulo Broker VM) or to Superna Ransomware Defender, and those external tools apply the analytics. Detection happens off-box, after events are logged, and the response path runs back through the integration. BrickStor SP analyzes read behavior inline and terminates a bulk-copy session while the data is still in your possession, which matters because double extortion now leads with theft, and no snapshot restores stolen data.
Qumulo provides snapshot locking and compliance-mode S3 Object Lock, both real protections with documented boundaries: locked snapshots still expire on their schedule, object lock is bucket-scoped with no governance mode, and there is no general WORM retention on SMB and NFS file data. BrickStor SP layers immutable snapshots with patented ImmutaVault, a virtual air gap inside the platform holding isolated, manifest-backed copies that survive administrative compromise, with the manifest providing chain-of-custody for forensics and retention.
It depends on your data, but it is a documented gap rather than an opinion: Qumulo Core provides erasure coding only, with no deduplication or compression, which reviewers repeatedly raise and which shows up in effective cost per usable terabyte. Primary unstructured data typically compresses meaningfully even when it does not deduplicate. BrickStor SP applies inline compression and thin snapshots and clones, and patented Transparent Data Movement tiers cold data to cheaper storage without moving it out of the namespace.
Qumulo’s real-time capacity and activity analytics are genuinely good, and if capacity visibility is your main need, credit to them. BrickStor SP’s analytics answer a security question as well as a capacity one: every file operation is captured with user, session, and client context, behavioral analytics surface abnormal access as it happens, and the same record drives incident response and surgical recovery. It is the difference between seeing that activity spiked and knowing which account is exfiltrating which dataset right now.
Neither vendor publishes audited head-to-head benchmarks against the other. Qumulo has demonstrated impressive aggregate throughput, particularly in cloud deployments, and we do not argue with that. The honest comparison is what each platform is doing per operation: BrickStor SP evaluates security policy inline on every read and write while serving primary workloads; Qumulo optimizes for scale-out throughput and treats deep security analysis as external or add-on. For your workload profile, run a proof of concept.

See Six Years of Inline Defense in Action

In a 30-minute demo, we'll show Active Defense stopping ransomware and a bulk exfiltration inline, ImmutaVault's virtual air gap, and Intelligent Bulk Remediation, mapped to your data and your threats.

BrickStor SP vs Qumulo | RackTop Systems