NAKIVO Backup & Replication vs. OpenText Availability vs. SIOS DataKeeper Comparison


NAKIVO Backup & Replication NAKIVO	OpenText Availability OpenText	SIOS DataKeeper SIOS Technology Corp.	+
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About NAKIVO Backup & Replication offers complete data protection for virtual, physical, cloud, and SaaS environments including VMware vSphere, Microsoft Hyper-V, Nutanix AHV, Proxmox VE, Amazon EC2, Windows and Linux physical machines and servers, files shares/NAS, Oracle database, and Microsoft 365. You can install the NAKIVO solution on Linux and Windows OS, or deploy it as a pre-configured virtual appliance (VA) or Amazon Machine Image (AMI). You can also install the solution on NAS to create a cost-efficient and fast backup appliance. NAKIVO Backup & Replication includes advanced disaster recovery functionality with Site Recovery and Real-Time Replication for VMware. In addition, you can protect backups from ransomware using built-in cybersecurity features like immutability and pre-recovery malware scans.	About OpenText Availability continuously replicates physical, virtual, and cloud systems at the byte level, capturing real-time changes with a Recovery Point Objective of seconds, and maintains duplicated Windows and Linux servers at secondary locations for near-zero downtime. In the event of an outage, it offers automated or on-demand failover with integrated heartbeat monitoring and DNS management, followed by seamless failback when systems are restored. Data is secured with AES 256-bit encryption in flight, while three tiers of compression and bandwidth-throttling options minimize network impact. An extensive API allows integration with other applications, and built-in alerting, reporting, and non-disruptive failover testing ensure administrators can monitor health, troubleshoot, and validate disaster-recovery plans without affecting production workloads. OpenText Availability supports any hypervisor, including VMware ESXi/vSphere and Microsoft Hyper-V, and any major cloud platform.	About SIOS DataKeeper is a host‑based, block‑level replication solution that delivers real‑time, synchronous or asynchronous redundancy for Windows Server environments, integrating seamlessly with Windows Server Failover Clustering (WSFC). It enables "SANless" clusters—eliminating dependency on shared‑storage arrays—by replicating data across local, virtual, or cloud servers, including VMware, Hyper‑V, AWS, Azure, and Google Cloud Platform, while offering optimized performance without requiring hardware accelerators or compression devices. Once installed, it provides a new SIOS DataKeeper Volume resource in WSFC, supporting geographically dispersed clusters via cross‑subnet failover and configurable heartbeat parameters. Built-in WAN optimization and efficient compression maximize bandwidth use over local and wide‑area networks.
Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook	Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook	Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook
Audience SMBs, enterprises and MSPs	Audience IT and infrastructure teams requiring a solution to prevent downtime and data loss across physical, virtual and cloud environments	Audience IT architects needing a solution to deliver high availability and disaster recovery for mission-critical applications
Support Phone Support 24/7 Live Support Online	Support Phone Support 24/7 Live Support Online	Support Phone Support 24/7 Live Support Online
API Offers API	API Offers API	API Offers API
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $229/ socket; $25 workload/y Free Version Free Trial	Pricing No information available. Free Version Free Trial	Pricing No information available. Free Version Free Trial
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Training Documentation Webinars Live Online In Person	Training Documentation Webinars Live Online In Person	Training Documentation Webinars Live Online In Person
Company Information NAKIVO Founded: 2012 United States www.nakivo.com	Company Information OpenText Founded: 1991 Canada cybersecurity.opentext.com/products/continuity-compliance/availability/	Company Information SIOS Technology Corp. Founded: 1999 United States us.sios.com/products/sios-datakeeper/
Alternatives Comet Backup	Alternatives OpenText Recover OpenText	Alternatives SIOS LifeKeeper SIOS Technology Corp.
Acronis Cyber Protect Acronis	Paragon Protect & Restore Paragon Software Group	Windows Server Failover Clustering Microsoft
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Categories Automated Testing Backup Business Continuity Cloud Storage Data Center Backup Data Recovery Data Replication Database Database Backup Disaster Recovery Ransomware Protection SaaS Backup Server Backup	Categories Business Continuity	Categories High Availability Cluster
Show More Features Backup Features Backup Log Backup Scheduling Cloud Backup Compression Continuous Backup Encryption Incremental Backup Local Server Options Remote Server Options Secure Data Storage Web Access / Restoration Business Continuity Features Backup Log Backup Scheduling Compression Continuous Backup Encryption Incremental Backup Local Server Options Multiple System Support Remote Server Options Secure Data Storage Web Access / Restoration Data Center Backup Features Continuous Data Protection Deduplication Encryption File Archival File Compression Platform Agnostic Regular Snapshots Reporting / Analytics Data Recovery Features Web Access / Restoration Backup Log Backup Scheduling Compression Continuous Backup Encryption Incremental Backup Local Server Options Multiple System Support Remote Server Options Secure Data Storage Data Replication Features Asynchronous Data Replication Automated Data Retention Continuous Replication Cross-Platform Replication Dashboard Instant Failover Orchestration Remote Database Replication Reporting / Analytics Simulation / Testing Synchronous Data Replication Database Backup Features Automatic Backup Backup Locations Backup Scope Settings Differential Backup Filegroup Backup Full Backup Incremental Backup Manual Backup Multiple Backups Disaster Recovery Features Administration Policies Bare-Metal Recovery Encryption Failover Testing Flexible Data Capture Multi-Platform Support Multiple Data Type Support Offline Storage Server Backup Features Backup Scheduling Bare-Metal Restore Compression Continuous Backup Differential Backup Disaster Recovery Encryption Incremental Backup VM Backup
Integrations Microsoft Hyper-V Amazon EC2 Amazon Web Services (AWS) Azure Blob Storage Azure Stack Hub Microsoft SharePoint MySQL Nutanix AHV Oracle Cloud Infrastructure PostgreSQL Proxmox VE SAP S/4HANA SQL Server SUSE Linux Enterprise Desktop Stackscale VMware Cloud VMware ESXi VMware vSphere Wasabi Windows Server Failover Clustering Show More Integrations View All 11 Integrations	Integrations Microsoft Hyper-V Amazon EC2 Amazon Web Services (AWS) Azure Blob Storage Azure Stack Hub Microsoft SharePoint MySQL Nutanix AHV Oracle Cloud Infrastructure PostgreSQL Proxmox VE SAP S/4HANA SQL Server SUSE Linux Enterprise Desktop Stackscale VMware Cloud VMware ESXi VMware vSphere Wasabi Windows Server Failover Clustering Show More Integrations View All 14 Integrations	Integrations Microsoft Hyper-V Amazon EC2 Amazon Web Services (AWS) Azure Blob Storage Azure Stack Hub Microsoft SharePoint MySQL Nutanix AHV Oracle Cloud Infrastructure PostgreSQL Proxmox VE SAP S/4HANA SQL Server SUSE Linux Enterprise Desktop Stackscale VMware Cloud VMware ESXi VMware vSphere Wasabi Windows Server Failover Clustering Show More Integrations View All 16 Integrations
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