Uniview NVR (Network Video Recorder) and DVR (Digital Video Recorder) systems are widely used for video surveillance in various settings. As surveillance needs to evolve and data storage requirements increase, it becomes necessary to explore storage expansion options for Uniview NVR and DVR systems.

In this blog, we will discuss different methods of expanding storage capacity to accommodate growing demands. By understanding these options, you can effectively manage and store your video footage without compromising system performance or reliability.

External Hard Drives 

One of the simplest ways to expand storage capacity for Uniview NVR and DVR systems is by using external hard drives. External drives offer convenience and flexibility, allowing you to connect them via USB ports or eSATA (external Serial ATA) interfaces. This method is particularly useful for small-scale installations or temporary storage needs.

When using external hard drives, it is crucial to ensure compatibility with your Uniview system. Check the recommended specifications and supported formats to guarantee seamless integration. It is also advisable to select high-capacity Uniview hard drives with reliable performance to meet your storage requirements.

Network-Attached Storage (NAS)

For larger-scale surveillance deployments, Network-Attached Storage (NAS) provides an excellent storage expansion option. NAS devices are dedicated storage systems connected to the network, offering centralized storage accessible by multiple NVRs or DVRs.

NAS provides several benefits, including scalability, data redundancy, and remote accessibility. By adding NAS devices to your Uniview system, you can significantly increase storage capacity without compromising performance. Additionally, NAS solutions often include advanced features such as RAID (Redundant Array of Independent Disks) for data protection and seamless integration with Uniview systems.

Cloud Storage 

In recent years, cloud storage has gained popularity as a storage expansion option for Uniview NVR and DVR systems. Cloud storage enables you to store video footage in off-site data centers, offering scalability, remote accessibility, and data redundancy.

When considering cloud storage, it is essential to select a reputable and secure cloud service provider. Look for providers that offer encryption, data privacy, and reliable data centers. Determine the cost structure, including any subscription fees or data transfer charges, to ensure it aligns with your budget and storage needs.

Hybrid Storage Solutions 

Hybrid storage solutions combine multiple storage technologies to provide an optimized approach for Uniview NVR and DVR systems. This approach often involves a combination of local storage (internal or external hard drives) and cloud storage.

Hybrid solutions offer the benefits of both local and cloud storage, providing flexibility, scalability, and data redundancy. They allow for efficient management of video footage, where frequently accessed data is stored locally for quick retrieval, while less frequently accessed or archival data is offloaded to the cloud for long-term storage.

What factors should you consider for choosing the right storage expansion option for Uniview NVR and DVR systems?

When selecting the best storage expansion options for Uniview NVR and DVR systems, there are several key considerations to keep in mind.

Scalability: Determine the scalability requirements of your surveillance system. Consider the growth rate of your video footage storage needs and select an expansion option that can accommodate future storage demands without significant disruptions or additional costs.

Performance: Assess the performance requirements of your NVR and DVR systems. Consider factors such as data transfer speeds, read/write capabilities, and latency. Choose a storage expansion option that can maintain optimal performance levels and support the data throughput required by your surveillance system.

Data Redundancy: Ensure that your chosen storage expansion option provides adequate data redundancy mechanisms. Redundancy helps protect against data loss in case of hardware failures. Features like RAID (Redundant Array of Independent Disks) in NAS or cloud storage providers with built-in data replication and backup options are essential for data integrity and reliability.

Remote Accessibility: Determine if remote accessibility is a crucial requirement for your surveillance system. If you need to access video footage remotely or share it with stakeholders, consider options such as cloud storage or NAS with remote access capabilities. These options enable you to access your stored data from anywhere, enhancing convenience and flexibility.

Security and Privacy: Security is paramount when dealing with video surveillance data. Consider the security measures provided by your chosen storage expansion option. Ensure encryption is available during data transfer and at rest, as well as features like access controls, user authentication, and data privacy policies.

Cost: Evaluate the cost implications of the storage expansion option. Consider factors such as upfront costs, ongoing maintenance expenses, and any subscription fees associated with cloud storage. Compare the costs with the anticipated benefits and your budget constraints to make an informed decision.

Compatibility: Ensure compatibility between the storage expansion option and your Uniview NVR and DVR systems. Verify that the option supports the necessary protocols, file formats, and integration with your surveillance system. Consult Uniview's guidelines or seek professional advice to ensure seamless integration.

Reliability and Support: Choose a storage expansion option from reputable providers known for reliability and excellent customer support. Look for reviews, testimonials, and service level agreements (SLAs) to assess the reliability and support offered by the option you are considering.


As the demand for video surveillance storage continues to grow, it is crucial to explore storage expansion options for Uniview NVR and DVR systems. And for choosing the best storage expansion option for your Uniview NVR and DVR systems, consider the factors discussed above.