TerraMaster's F4-425 Pro Brings OpenClaw AI and Dual 5GbE to a 4-Bay NAS

TerraMaster's F4-425 Pro pairs Intel's N350 with TOS 7, dual 5GbE, OpenClaw AI, and 4+3 hybrid storage.

TerraMaster's F4-425 NAS (📷: TerraMaster)

NAS Vendors Are Chasing AI Too

Artificial intelligence has found its way into nearly every corner of the technology industry, and network-attached storage vendors are no exception.

TerraMaster's latest F4-425 Pro NAS places AI at the center of its marketing, pairing updated hardware with a new operating system called TOS 7 and an integrated assistant known as OpenClaw. While plenty of companies have bolted AI features onto existing products, TerraMaster is positioning the F4-425 Pro as something more ambitious: a storage platform designed around local AI-powered workflows from the start.

Whether users buy into that vision will likely depend as much on the software as the hardware.

More Processing Power Under the Hood

The F4-425 Pro succeeds the earlier F4-425 Plus and is available in two configurations. Buyers can choose either an Intel Core i3-N305 model with 8GB of DDR5 memory or a higher-end version powered by Intel's newer Core 3 N350 processor paired with 16GB of DDR5 RAM.

Storage options remain one of the system's biggest selling points. The chassis includes four SATA drive bays alongside three M.2 NVMe slots, allowing users to combine hard drives and solid-state storage within the same enclosure. TerraMaster says the system supports up to 152TB of raw capacity when populated with current high-capacity drives and SSDs.

Networking has also received attention. Dual 5GbE ports support link aggregation and SMB Multichannel, with TerraMaster claiming transfer speeds exceeding 1GB/s under the right conditions.

For creators working with large video projects, virtual machine users, and home lab enthusiasts, that combination of CPU performance and networking bandwidth is likely more interesting than any AI feature.

Four drive bays are available (📷: TerraMaster)

Meet OpenClaw

The software story revolves around TOS 7, TerraMaster's latest Linux-based operating system.

According to the company, OpenClaw allows users to interact with the NAS using natural-language commands. Tasks such as deploying containers, organizing files, managing backups, and configuring system services can be handled through conversational requests rather than navigating traditional management interfaces.

TerraMaster describes the platform as "local first," meaning processing occurs on the NAS rather than relying on external cloud services.

The company is also exposing more than 500 RESTful API endpoints alongside Python and Node.js SDKs, giving developers opportunities to build automation tools and custom integrations around the platform.

Security Gets Equal Billing

AI may dominate the marketing materials, but data protection receives just as much attention.

The company highlights its HyperLock WORM technology, snapshot-based recovery tools, automated backup workflows, and ransomware detection system. TerraMaster describes the security framework as a proactive defense mechanism capable of detecting suspicious encryption activity and responding automatically.

Other additions in TOS 7 include a unified recycle bin, improved search capabilities, enhanced notification management, and Smart ISO mounting support.

Taken together, these are the kinds of features many NAS buyers are likely to use every day, regardless of whether they ever interact with OpenClaw.

Built for More Than Backups

The F4-425 Pro arrives at a time when NAS devices are increasingly expected to function as application servers, media hubs, development platforms, and private cloud systems.

TerraMaster clearly wants this model to appeal to all of those audiences. Docker support, hybrid storage, high-speed networking, media transcoding capabilities, and a growing software ecosystem all push the device beyond traditional file storage duties.

The bigger question is whether OpenClaw becomes a genuinely useful management tool or simply another AI feature users try once before returning to the web interface.

Either way, the F4-425 Pro demonstrates how quickly the NAS market is changing. A few years ago, vendors competed on drive bays and transfer speeds. Today they're also competing on operating systems, automation frameworks, and how much intelligence they can pack into the box sitting next to your router.

Prices for the F4-425 Pro start at $559.99.