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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchHitachi Data Systems (HDS) acquired Sepaton in August 2014 to add a purpose-built enterprise backup-appliance line to its data-protection portfolio. The purchase price was not disclosed. Sepaton’s S2100 software later transitioned to HDS S-Series branding, but that historical transition alone does not establish whether the products are still sold or supported today.
What did Sepaton make?
Sepaton was a Massachusetts-based enterprise storage company focused on purpose-built backup appliances (PBBAs). These systems served as disk-based targets for enterprise backups, using deduplication and scalable appliance resources to handle backup and recovery workloads and reduce reliance on tape.
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Contemporary reporting described Sepaton appliances as capable of up to 80 TB per hour of backup throughput and scaling to 3.8 petabytes of disk shelves before deduplication. Those are reported product figures, not independently verified benchmark results. Data Center Knowledge’s 2014 coverage gives the figures.
StorageReview reported that Sepaton’s deduplication technology could fit up to 25 TB of data into 1 TB of storage. That, too, is a reported capability rather than an independent test result.
#1 Best Overall
- WatchGuard Firebox T45 tabletop appliances bring enterprise-level network security to small office/branch office and retail environments. These appliances are small-footprint, cost-effective security powerhouses that deliver all the features present in WatchGuard’s higher-end UTM appliances, including all security capabilities, such as AI-powered anti-malware, threat correlation, and DNS-filtering.
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- Firebox T45 models make network optimization easy. With integrated SD-WAN and optional 5G technology, you can ensure failover to the cellular network, minimize disruptive connectivity, and establish secure and reliable connections for small offices.
- The Total Security Suite includes all services offered with the Basic Security Suite plus AI-powered malware protection, enhanced network visibility, endpoint protection, Cloud sandboxing, DNS filtering, and the ability to take action against threats right from WatchGuard Cloud, our network visibility platform.
Why did HDS buy Sepaton?
HDS already sold storage infrastructure and had a data-protection strategy. Acquiring Sepaton added a purpose-built, deduplicating backup-appliance line and brought technology from a longtime partner under HDS ownership. HDS said the addition would broaden its integrated data-protection portfolio.
Sean Moser, then HDS vice president of software platforms product management, said the acquisition would help customers “reduce the cost of protection, enable more data to be protected against disaster and offer greater flexibility in where or how it is protected.” StorageNewsletter’s 2014 account attributes that rationale to Moser.
Rank #2
- SonicWall NSa2700 High Availability Unit (02-SSC-7367) - Seamless Failover Protection: Designed to pair with a primary SonicWall firewall for automatic failover and continuous network uptime. Not a Standalone unit - requires an identical primary SonicWall appliance; cannot function independently.
- Blocks ransomware and zero-day malware using Capture ATP sandboxing with patented RTDMI memory inspection, plus IPS and anti-malware for layered defense.
- Flexible connectivity options with multiple 1 GbE and 10 GbE SFP+ interfaces support scalable, future-ready deployments across campus and branch networks.
- Supports large remote access and site connectivity with extensive VPN and ZTNA capabilities to enable hybrid work and secure private app access.
- Zero-Touch provisioning and centralized management via NSM reduce time to deploy while improving visibility and compliance reporting.
Industry analysis at the time anticipated tighter integration with HDS storage and software. That was an expectation about the strategic direction, not proof of a particular integration outcome after the deal.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsWhen did the acquisition happen, and what were the terms?
HDS acquired Sepaton in August 2014; contemporary reports dated the public announcement to August 13 or 14. The announcement did not disclose the purchase price. Coverage described Sepaton as becoming a wholly owned HDS subsidiary, operating independently from its base in Marlborough, Massachusetts. Data Center Knowledge reported the subsidiary arrangement and location; StorageReview and StorageNewsletter also covered the deal.
Rank #3
- The latest SonicWall TZ370 series, are the first desktop form factor nextgeneration firewalls (NGFW) with 10 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
- Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass
- Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape
- Ensure seamless communication as stores talk to HQ via easy VPN connectivity which allows IT administrators to create a hub and spoke configuration for the safe transport of data between all locations
- Hardware: Operating system: SonicOS 7.0 | Interfaces: 8x1GbE, 2 USB 3.0, 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN Interfaces: 128 | Access points supported (maximum): 16
What happened to the S2100 and S-Series products?
The product history documented in HDS release notes shows a software and branding transition. HDS S-Series V7.3 release notes say that the August 2014 acquisition transitioned Sepaton S2100 Series software to HDS S-Series software and management-console terminology. They also said Sepaton’s customer-support portal would remain the primary reference during the transition into 2015. The V7.3 release notes describe that transition.
Later S-Series documentation introduced HPP-S as a supported device name while retaining the SEPATON identifier for some existing deployments. It warned that customers should not switch identifiers or mix the two names without support guidance. The S-Series 9.5 user guide documents those naming and compatibility details.
Rank #4
- Compatible with models 340MAV024040AAKA and 340MAV024040ABKA
- Compatible with models 340MAV024040AHKA and 340MAV024040AJKA
- Compatible with models 340MAV024060AHKA and 340MAV024060AJKA
Is Sepaton still supported, and what replaced it?
The documented changes establish that Sepaton’s product line and software branding moved into HDS S-Series naming. They do not establish current sales, support status, or a direct one-to-one replacement for the S2100. The support-portal statement in the V7.3 notes concerned the transition into 2015, so it should not be read as a current support commitment.
For an existing appliance, check its exact model, software version, contract, and support entitlement with Hitachi Vantara or the relevant service provider before planning an upgrade or replacement. For a replacement evaluation, compare enterprise platforms on:
Best Value
- Dual Power: A dual power isolation switch, professionally designed, firmly connected, will generate a considerable amount of current.
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- Multipurpose: For conversion between industrial enterprises, household appliances, power systems and self generating circuits.
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- Backup throughput and recovery performance for your workload.
- Usable capacity and how the system scales.
- Deduplication efficiency under your data mix.
- Integration with your backup software and existing storage.
- Replication, recovery, and disaster-protection features.
- Support lifecycle, deployment model, and migration requirements.
A newer product should not be treated as a direct S2100 substitute solely because it is part of a later Hitachi-branded portfolio; confirm compatibility and migration paths with the vendor.
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