--- description: Nutanix Inc. announced the general availability of the latest update of the operating system, Nutanix Operating System NOS 4.1. NOS 4.1 is the OS that... title: Nutanix Announces The General Availability Of NOS 4.1 image: https://www.storagereview.com/wp-content/uploads/2014/05/nutanix-logo.png --- [![Storage Review]()](https://storagereview.com/) --- [Facebook](https://www.facebook.com/@storagereview) [X (Twitter)](https://twitter.twitter.com/storagereview) [Instagram](https://www.instagram.com/storagereview/) [LinkedIn](https://www.linkedin.com/company/storagereview-com) [YouTube](https://www.youtube.com/user/storagereview?sub_confirmation=1) [Email](mailto:info@storagereview.com) [Spotify](https://open.spotify.com/show/1y6VnznABhHeOSMOmbDTz0) [Reddit](https://www.reddit.com/r/StorageReview/) [Discord](https://discord.gg/TwMHb4azdC) [RSS Feed](https://www.storagereview.com/rss.xml) [TikTok](https://www.tiktok.com/@storagereview) [Facebook](https://www.facebook.com/@storagereview) [X (Twitter)](https://twitter.com/storagereview) [Instagram](https://www.instagram.com/storagereview/) [LinkedIn](https://www.linkedin.com/company/storagereview-com) [YouTube](https://www.youtube.com/user/storagereview?sub_confirmation=1) [Email](mailto:info@storagereview.com) [Spotify](https://open.spotify.com/show/1y6VnznABhHeOSMOmbDTz0) [Reddit](https://www.reddit.com/r/StorageReview/) [Discord](https://discord.gg/TwMHb4azdC) [RSS Feed](https://www.storagereview.com/rss.xml) [TikTok](https://www.tiktok.com/@storagereview) [![StorageReview.com]()](https://www.storagereview.com) ≡ Menu - [Home](https://www.storagereview.com/) - [Storage Reviews](https://www.storagereview.com/review) - [End User Reviews](https://www.storagereview.com/consumer) - [Enterprise Reviews](https://www.storagereview.com/enterprise) - [Ubiquiti Reviews](https://www.storagereview.com/best/ubiquiti-reviews) - [SR Merch](https://store.storagereview.com) - [Leaderboards](https://www.storagereview.com/best) - [Best Storage Arrays](https://www.storagereview.com/best/storage-arrays) - [Best Enterprise SSDs](https://www.storagereview.com/best/enterprise-ssds) - [Best Servers](https://www.storagereview.com/best/servers) - [Best Enterprise GPUs](https://www.storagereview.com/best/enterprise-gpus) - [Best Desktops for Local AI](https://www.storagereview.com/best/desktops-local-ai) - [Best Laptops for Local AI](https://www.storagereview.com/best/laptops-local-ai) - [Best Local LLM Tools](https://www.storagereview.com/best/local-llm-tools) - [Agentic AI Hardware](https://www.storagereview.com/best/agentic-ai-hardware) - [Best SSDs & Hard Drives](https://www.storagereview.com/best_drives) - [Best Portable SSDs](https://www.storagereview.com/best/portable-ssds) - [Best Business Laptops](https://www.storagereview.com/best/business-laptops) - [Best Mobile Workstations](https://www.storagereview.com/best/mobile-workstations) - [Best Desktop Workstations](https://www.storagereview.com/best/desktop-workstations) - [Best Mini PCs](https://www.storagereview.com/best/mini-pcs) - [Best Laptop Battery Life](https://www.storagereview.com/best/laptop-battery-life) - [Storage Reference Guide](https://www.storagereview.com/storage-reference-guide) - [About SR](https://www.storagereview.com/about-storagereview) - [StorageReview.com Sweepstakes Rules and Regulations](https://www.storagereview.com/storagereview-com-sweepstakes-rules-and-regulations) Search [Home](https://www.storagereview.com/) » [News](https://www.storagereview.com/news) » Nutanix Announces The General Availability Of NOS 4.1 # Nutanix Announces The General Availability Of NOS 4.1 by Adam Armstrong on January 30, 2015 [Enterprise](https://www.storagereview.com/enterprise)  ◇  [Enterprise Storage](https://www.storagereview.com/enterprise/enterprise-storage) Nutanix Inc. announced the general availability of the latest update of the operating system, Nutanix Operating System NOS 4.1. NOS 4.1 is the OS that powers Nutanix’s Virtual Computing Platform. Nutanix has been giving users glimpses of the NOS 4.1 new capabilities for some time now, we mentioned it [here in our NX-9000 piece](https://www.storagereview.com/nutanix_unveils_allflash_hyperconverged_platform_with_metro_support).  ![]() New features with NOS 4.1 include: - **Metro Availability:** Nutanix Metro Availability provides continuous data availability for business-critical applications during planned maintenance or unplanned disasters that affect entire sites. Nutanix is the only hyper-converged infrastructure vendor to deliver continuous data protection across multiple datacenters. - **Cloud Connect:** Nutanix Cloud Connect seamlessly integrates public cloud services, such as Amazon Web Services (AWS), with Nutanix-powered private cloud environments. It allows Nutanix customers to combine private and public cloud technology into their long-term infrastructure strategy without requiring third-party software or hard to maintain plug-ins. - **Encryption Support:** Nutanix now provides strong data protection by encrypting user and application data to a level of FIPS 140-2 Level 2 compliance. Data at rest encryption is delivered through self-encrypting drives (SED) that are factory-installed in the Nutanix hyper-converged appliance. - **Simplified Hypervisor Upgrade:** Nutanix radically simplifies the process of upgrading the hypervisor in a Nutanix cluster with this new feature. This release will support upgrade of VMware ESXi and Microsoft Hyper-V, with KVM support coming soon. - **Security/STIG Enhancements:**  Comprehensive security technical implementation guides (STIGs) to speed up the accreditation process for DIACAP/DIARMF, which is typically slow and manual. A process that used to take nine to twelve months can now be accomplished in minutes ![]() The upgrade path itself is relatively simple. Within a few clicks our 4-node cluster of 8150s was updated without issue from within the Nutanix Web Console. And for those that are curious, here's what happens when the " [Nothing to do?](https://twitter.com/TestLabNut/status/561279738288037890)" link is clicked.  **Availability** All Nutanix customers are able to get the new update through a simple software upgrade, no down time is associated with the update.  [Nutanix Site](http://www.nutanix.com/) **Engage with StorageReview** [Newsletter](https://www.storagereview.com/storage_newsletter) |  [YouTube](https://www.youtube.com/user/StorageReview "Opens in a new window") | Podcast  [iTunes](https://podcasts.apple.com/gb/podcast/storagereview-com-storage-reviews/id1060681115 "Opens in a new window")/ [Spotify](https://open.spotify.com/show/1y6VnznABhHeOSMOmbDTz0 "Opens in a new window") |  [Instagram](https://www.instagram.com/storagereview/ "Opens in a new window") |  [Twitter](https://twitter.com/storagereview "Opens in a new window") |  [TikTok](https://www.tiktok.com/@storagereview? "Opens in a new window") |  [RSS Feed](https://www.storagereview.com/rss.xml) ![]() ### Adam Armstrong Adam is the chief news editor for StorageReview.com, managing our internal and freelance content teams. 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