GigaStor is the authoritative source of packet-level insights for the Observer Platform, capturing and retaining every network conversation for real-time and retrospective analysis. These high-fidelity packet insights power patented End-User Experience (EUE) scoring in Observer Apex, providing critical individual and enterprise-wide visibility into IT service health and simplifying complex troubleshooting when problems arise.
As the industry leader in back-in-time analysis, GigaStor eliminates the guesswork of recreating events. Teams can navigate to the exact moment of a performance anomaly or security breach—before, during, and after—to conduct forensic-level investigations and root-cause analysis with precision.
With flexible, scalable deployment and storage options, GigaStor delivers high-performance packet capture and forensic visibility—enabling NetOps, SecOps, and DevOps to collaborate using a shared source of truth.
GigaStor offers the following features and benefits:
- Line-rate packet capture at up to 60 Gbps, validated independently, with support for 100 Gb network environments
- Scalable storage beyond five petabytes with AES-256 data-at-rest encryption for regulatory compliance and long-term visibility
- Custom analytics and deep-packet inspection for detailed performance and security investigations
- 100 percent duty-cycle capture over five years with fault-tolerant hardware, ensuring not a single packet is dropped
- Compact form factor and reduced cost per TB, designed to minimize data center footprint and total cost of ownership
- GigaStor software versions can be deployed on-premises or used to extend packet-level visibility into cloud
Additional resources:
- Network Performance Monitoring
- Network Performance
- Enterprise Performance Management
- Network Security
- Threat Hunting
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GigaStor Software Version
GigaStor Software Version (GSV) can be deployed on-premises or in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP) environments. Offering similar analytics and back-in-time capabilities of GigaStor appliances, GigaStor Software Version increases deployment flexibility in hybrid environments.
GigaStor Software Version is now available as an AWS AMI
Maintain service observability when deploying applications to AWS Look for GigaStor Cloud Edition on AWS Marketplace. -
GigaStor M – Metadata Probe
GigaStor M is a metadata-only high-performance, cost-effective, scalable solution that delivers packet-derived insights from the network edge to the data center core. With GigaStor M, VIAVI delivers flexibility and choice in how you instrument your IT environment.
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Flexible Storage, Scalable Deployment
From compact 1RU appliances for branch offices to five petabyte solutions for data centers, GigaStor adapts to any environment with right-sized deployment options.. GigaStor delivers scalable packet capture with efficient use of rack space and a wide variety of storage configurations.
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Root-Cause Analysis
GigaStor enables both long-term storage and high-speed root-cause analysis—supporting more than five petabytes of storage. IT teams can quickly isolate and investigate performance issues or security incidents by drilling down from an enterprise-wide view to individual conversations, ensuring faster resolution and reduced impact on users and services.
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Unique Enclosure Designs
GigaStor appliances are built on a custom-configured foundation, tuned to deliver the best packet capture, analysis, and reliability in the industry. Available in 2U and 4U enclosures or an exclusive portable formfactor for fast, take-anywhere troubleshooting. GigaStor appliances are developed to support five years of uninterrupted, 100% duty-cycle, line-rate capture without dropping a single packet for the ultimate in network conversation visibility and peace of mind.
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Network Security Forensics
GigaStor passively records all network traffic at full fidelity, enabling detailed forensic analysis of past activity when performance or security incidents occur. It supports post-event investigations by enabling teams to reconstruct the mined data—including web sessions, VoIP calls, and email content—to determine the scope of a breach and identify compromised assets. By integrating with existing solutions, GigaStor enhances incident response and supports regulatory compliance with court-admissible packet evidence.
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Compact GigaStor 24TB
The GigaStor line has been expanded to offer a new 24TB unit in a sleek 2U form factor. Field expandable to 48TB, it’s the perfect solution for large enterprise network edge/large branch deployments or for mid-size organizations seeking high-performance, cost-effective packet capture and retention
Observer GigaStor is designed to maintain comprehensive network visibility in today’s hybrid IT environments providing back-in-time peace-of-mind for performance issues and investigating possible security breaches.
For on-premises, Observer GigaStor appliance and virtual editions are ideal. Appliances, designed in a standard rack form-factor are easy to install and are available in multiple capacities and capture speeds for deployment from the data center core to the edge. GigaStor Virtual, Software Edition (GSE) can be flexibly installed in Windows environment as a VM or on a laptop for on-demand troubleshooting anywhere.
GigaStor Virtual, Cloud Edition (GCE) is an AWS AMI and is tuned for AWS environments. Tuned specifically for easy deployment in AWS environments, GCE enables IT teams to maintain service visibility when moving applications to AWS.
For even more deployment flexibility, GigaStor M provides a high-performance, metadata-only option that extends packet-derived visibility from branch offices to the core. Designed to work alongside GigaStor and Observer Apex, GigaStor M supports end-user experience (EUE) scoring in remote or distributed locations and enhances write-to-storage performance when paired with GigaStor appliances.
Observer GigaStor tightly integrates with the entire Observer platform

Choose the right Observer GigaStor for your organization's size and needs.
VIAVI offers multiple GigaStor options in various form factors, network speeds, port counts, and capacities that range from one terabyte to more than five petabytes. For more information beyond the appliance summary shown below, use the GigaStor Calculator, or contact a VIAVI Solutions sales expert.
All Observer GigaStor Appliances
GigaStor is designed to integrate with Observer Apex. In addition, the appliances include a local Observer Analyzer Expert Edition console and can connect to any Analyzer Expert or Suite Edition. To ensure the highest performance packet capture and mining, all appliance and portable models use VIAVI Solutions custom designed capture card. Note, depending on the model, appliances support gigabit, 10 Gb, 40 Gb, and 100 Gb network interfaces.
GigaStor Form Factor | Storage Capacity |
GigaStor Virtual | 256 GB-64 TB |
GigaStor Branch | 8 TB (SSD) |
GigaStor Appliance (2U) | 24 TB to 1.2 PB |
GigaStor Appliance (4U) | 192 TB-1.2 PB |
ObserverONE | 72 TB |
Brochures
- Cloud and Hybrid IT Visibility with Packet-Based Analytics
- End-User Experience Score
- Enriched Flow with Observer
- Extending Performance Visibility into Amazon Web Services (AWS)
- Observer 3D GigaStor and GigaStor M
- Observer Apex
- Observer GigaFlow
- Observer GigaStor Portable for Service Providers
- ObserverONE
- Unified Communications
Case Studies
- Automation and Role-Based Workflows for Solving Network and Security Issues Faster
- Automation Workflows for Solving Network and Security Issues
- Benefits of Executive Dashboards
- Complete Visibility & Insight Across the Organization
- Exmark Manufacturing
- Remediation After Sunburst Cybersecurity Incident
- US Department of Veterans Affairs
Posters
Selection Guides
White Papers & Books
- 2024/25 State of the Network Executive Summary
- 2024/25 State of the Network Study
- Comprehensive and Actionable Enterprise Performance Management
- EMA Radar Report: Network Performance Management 2021
- From Zero-to-Insight in Three Days or Less
- How a NetOps/SecOps Alliance Can Outmaneuver the Enemy: Winning the Security Battle
- How to Optimize End-User Experience in a Cloud-Enabled Landscape
- How to Solve Six of the Biggest IT Challenges in 2021
- NetFlow vs Packet Data
- Network Monitoring Technology
- Using Wire Data for Security Forensics
Software Download
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Observer Services
Whether it's a quick initial setup or a comprehensive on-site implementation and configuration, Observer Platform Consulting options are designed to ensure that you get the most out of your Performance Management Solutions.
Support at Every Step
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