Best On-Premises Network Attached Storage (NAS) Software of 2025

TrueNAS is the world's most deployed storage software. TrueNAS is a universal data platform that allows users to easily adopt a modern, open source approach to storing and protecting their growing data. TrueNAS is open source and harnesses the power of the legendary ZFS file system to provide unified storage (File, Block Object, and Apps) with the reliability and performance demanded by virtualization, backup, and many other data-heavy workloads.

Windows Server 2022 brings forth enhanced multi-layered security features, hybrid functionalities with Azure, and a versatile application platform. Begin by fortifying your organization's security framework right from the operating system. Expand your data center capabilities to Azure to achieve improved IT efficiency. Equip developers and IT professionals with a robust application platform designed for building and deploying a range of applications. Discover how using Azure can lead to significant cost reductions through programs like the Azure hybrid benefit and extended security updates. Transform your workloads using Azure, recognized as the reliable cloud solution for Windows Server. Seamlessly connect your on-premises Windows Servers to Azure via Azure Arc. Upgrade to the latest operating system to enjoy superior security, enhanced performance, and increased value. By leveraging Azure, you can now fully tap into the myriad advantages of cloud computing. Starting is free, enabling you to manage servers, clusters, hyper-converged infrastructure, and Windows 10 PCs effectively with Windows Server, making your transition to cloud services smoother and more efficient than ever before.

SoftNAS is a cloud-native and software-defined enterprise cloud NAS filer product line. It can be used for primary data storage, secondary data storage, and hybrid cloud data integration. It allows existing applications to securely connect to the cloud without reengineering. SoftNAS offers enterprise-class NAS features such as high-availability and deduplication, compression and thin-provisioning. It also supports LDAP integration and Active Directory integration. SoftNAS protects mission critical data, primary, hot data, backup/archive, and makes cloud data migration more efficient and reliable. SoftNAS offers the most comprehensive storage options in terms price vs performance and backend storage choice, available on-demand at petabyte-scale across the AWS Marketplaces and Azure Marketplaces as well as on-premises on VMware.

Unraid OS provides unparalleled management of your data, media, applications, and desktops, enabling users to leverage nearly any hardware configuration. It is particularly beneficial for video producers, streamers with large video collections, media editors, photographers, musicians, and music enthusiasts who want to minimize their upfront expenses. You can begin with just two drives and expand your storage incrementally as needed. Gamers who also operate media servers and prefer customizing their systems rely on Unraid to maintain their performance without compromise. Furthermore, designers, 3D animators, developers, and photographers utilize Unraid for storing large amounts of assets locally, ensuring quick and efficient access. You can also employ services like Apple Time Machine and Windows Backup to securely archive large volumes of data that aren’t frequently used. Beyond this, software engineers, game development studios, AR/VR designers, and educational institutions take advantage of Unraid to conduct tests across various platforms, operating systems, and devices, enhancing their workflow and productivity. This versatility makes Unraid a valuable tool for anyone looking to optimize their data management solutions.