NVMe-oF (NVMe over Fabrics)

If your team works with IOPS-heavy applications, fast databases, or distributed Kubernetes clusters, chances are you’ve run into performance ceilings on traditional block storage. That’s where NVMe-oF (NVMe over Fabrics) comes in — offering the speed of local NVMe drives with the flexibility of a networked architecture.

NVMe-oF is a next-gen storage protocol that extends the raw performance of NVMe across network fabrics like TCP and RDMA. It’s not just fast — it’s low-latency, scalable, and purpose-built for modern workloads.

Let’s break down what NVMe-oF is, how it works, and why it’s becoming the foundation for next-generation storage platforms.

What Is NVMe-oF?

NVMe-oF (short for Non-Volatile Memory Express over Fabrics) is a protocol that allows NVMe storage devices to be accessed over a network rather than being directly attached to a host. It extends the benefits of NVMe — low latency, high throughput, and efficient queuing — across a fabric like Ethernet or InfiniBand.

There are two main transport options:

• NVMe/TCP — easier to deploy, compatible with standard Ethernet infrastructure

• NVMe/RDMA — faster, but requires specialized networking (e.g., RoCE with RDMA-capable NICs)

For detailed comparison of NVMe/TCP vs NVMe/RoCE (NVMe/RDMA) read our blog post on this topic.

NVMe-oF separates storage from compute without sacrificing performance, which is why it’s gaining adoption in environments that demand speed and flexibility.

⚡ Running performance-critical apps? Don’t let your storage slow you down. Learn how simplyblock uses NVMe-oF to build scalable, high-speed infrastructure from the ground up. 👉 See how disaggregated storage works

What Makes NVMe-oF a Better Fit for Modern Workloads

Traditional storage protocols (like iSCSI or Fibre Channel) weren’t built for today’s workloads. They add latency, waste CPU cycles, and can’t keep up with flash-speed performance. NVMe-oF solves that by bringing near-local NVMe speeds over the network, while enabling true disaggregated storage.

For ops teams, this means storage and compute can scale independently. You eliminate the performance trade-offs between flexibility and speed, make better use of shared infrastructure, and gain cleaner integration with Kubernetes storage.

Real-World Use Cases for NVMe-oF

• High-performance databases (PostgreSQL, MySQL, etc.)

• AI/ML pipelines requiring fast model training

• Kubernetes workloads with shared persistent storage

• Virtualized environments need ultra-fast boot and data volumes

• Real-time analytics and low-latency data processing

Key Features of NVMe-oF

NVMe-oF delivers near-local NVMe performance over network fabrics, with support for thousands of queues per controller and a consistent end-to-end NVMe command set. Because it avoids protocol translation layers, it’s both faster and more efficient than legacy options. It scales well in high-throughput environments and offers predictable performance under load, ideal for systems where latency and consistency matter.

It’s especially effective in setups where infrastructure is built around modular components and applications need room to grow, like during a migration from Amazon RDS to a Kubernetes-native stack.

NVMe-oF vs Traditional Storage Protocols

Here’s a quick comparison between NVMe-oF and older storage protocols like iSCSI and Fibre Channel. It highlights key differences in speed, scalability, and efficiency.

When NVMe-oF Makes Sense and When It Doesn’t

If you’re running compute-heavy workloads and need fast, persistent data access, NVMe-oF is likely the right fit. But it’s not a drop-in for every setup. It requires thoughtful network planning, proper tuning, and hardware that supports NVMe transport layers.

NVMe/TCP has made things simpler — you can run it over regular Ethernet — but managing performance and reliability across distributed environments still takes work. Especially in Kubernetes, maintaining NVMe-oF at scale demands real expertise or an integrated platform.

No SAN needed — NVMe/TCP for Proxmox.

Why Teams Choose Simplyblock for NVMe-oF

Simplyblock integrates NVMe-oF (specifically NVMe/TCP) into a cloud-native block storage platform. It removes the heavy lifting typically needed to run high-performance storage fabrics and gives teams a production-ready path forward.

With native NVMe/TCP support, automated provisioning, multi-zone availability, and high IOPS performance, simplyblock delivers what older storage platforms can’t. That includes better throughput, more predictable latency, and a path toward optimizing Kubernetes costs without compromising speed.

Common Reasons Teams Migrate to NVMe-oF

• Traditional SAN/NAS can’t keep up with fast-growing apps

• Kubernetes workloads demand higher IOPS than iSCSI allows

• NVMe SSDs are underutilized in legacy block environments

• RDMA setups are too complex or expensive to manage in-house

• NVMe/TCP offers a sweet spot of speed + deployability

Storage That Matches the Pace of Your Infrastructure

NVMe-oF is no longer niche. It’s how performance-sensitive teams are getting around the limits of outdated protocols — without building a giant hardware stack.

Whether you’re handling complex analytics or trying to improve database performance optimization, NVMe-oF gives you the tools to move faster with fewer trade-offs.

And with simplyblock making NVMe-oF production-ready and Kubernetes-native, you’re not just upgrading performance — you’re simplifying your stack for the long haul.

Questions and answers

Why is NVMe-oF gaining popularity in modern data centers?

NVMe-oF is being rapidly adopted because it delivers near-local NVMe performance over standard networks, supporting high-throughput and low-latency workloads. Its flexibility across transport protocols like TCP and RDMA makes it ideal for scalable, cloud-native infrastructure.

How does NVMe-oF compare to traditional storage protocols?

Unlike iSCSI or Fibre Channel, NVMe-oF is designed specifically for modern SSDs, offering lower latency and higher IOPS. Learn more in our comparison of NVMe/TCP vs iSCSI, where NVMe-oF consistently delivers better performance.

Which transport protocols are used in NVMe-oF?

NVMe-oF supports multiple transports, including TCP, Fibre Channel (NVMe/FC), RDMA (NVMe/RDMA or NVMe/RoCE), and Infiniband. Of these, NVMe over TCP is gaining popularity due to its compatibility with standard Ethernet infrastructure and ease of deployment.

Is NVMe-oF suitable for Kubernetes environments?

Yes, NVMe-oF, especially via TCP, is an excellent fit for Kubernetes. It allows high-performance remote storage that integrates smoothly with container workloads. Explore how NVMe/TCP enhances Kubernetes storage in modern infrastructure setups.

Why is NVMe-oF important for software-defined storage?

NVMe-oF unlocks the full potential of software-defined storage by delivering local NVMe speeds over a network. This enables flexible, scalable storage solutions without compromising on performance