TerraMaster has unveiled its new 725 Series rackmount NAS systems, a lineup of four enterprise-class storage solutions designed to consolidate demanding workloads into unified platforms. The announcement marks a significant step forward in high-performance network storage, particularly for organizations handling large datasets, AI training materials, and professional media production workflows.

Key Specs and Configuration Options

The 725 Series consists of four models: the U8-725, U12-725, U12-725 Plus, and U16-725 Plus. All units ship with 16GB of ECC memory and support expansion to 1TB of memory across eight DIMM slots, ensuring headroom for memory-intensive workloads. Networking capacity stands out as a major advantage, with each model featuring four 10GbE SFP+ ports and two 5GbE RJ45 ports, combining for a total of 50Gbps of available network bandwidth. This is particularly valuable for environments where multiple users need concurrent access to stored data.

Where the M.2 expansion truly shines is in the drive configuration. Each model includes three dedicated M.2 slots supporting PCIe 4.0 NVMe SSDs. This setup enables rapid caching and hot data storage without consuming drive bays reserved for larger capacity HDDs. Organizations can leverage the fast SSD options available for NAS environments to dramatically improve performance on frequently accessed files while maintaining bulk storage capacity in the main chassis.

The standard models pair the four-core Intel Xeon D-2712T processor with the networking and M.2 infrastructure described above. The Plus variants upgrade to the eight-core Xeon D-2733NT, delivering nearly double the thread count and higher clock speeds for organizations handling heavier computational loads. Both processor options represent enterprise-grade CPUs with low power consumption, making them ideal for always-on storage systems.

Raw Capacity and Expansion

enterprise storage facility rackmount
Photo by Jinsoo Choi

Maximum raw storage capacity varies by model. The eight-bay U8-725 tops out at 240TB, while the two 12-bay configurations reach 360TB. The largest model, the U16-725 Plus, supports up to 480TB in a 3U form factor. TerraMaster offers these options because different organizations have vastly different storage requirements. Small departments may function perfectly on the eight-bay model, while enterprise divisions or service providers need the additional bays to handle consolidated workloads across multiple departments or clients.

In addition to raw HDD capacity, the three M.2 NVMe slots provide intelligent flexibility. A typical deployment strategy would be to populate these slots with fast drives for operating system caching, virtual machine storage, or frequently accessed project files, while the main bays handle bulk archival and backup tasks.

Performance Benchmarks

Under TerraMaster’s laboratory testing, the U12-725 achieved sequential read speeds of up to 6,250MB/s, with sequential writes reaching 3,480MB/s. The system also demonstrated random read performance of up to 945,063 IOPS in 4K workloads. Notably, the 6,250MB/s read figure matches the theoretical maximum of the full 50Gbps network aggregate, suggesting network bandwidth will be the limiting factor rather than storage performance in many real-world configurations.

TerraMaster appropriately notes that actual performance depends heavily on hardware configuration, RAID mode selection, network environment, and specific workload characteristics. Organizations implementing RAID 6 for fault tolerance, for instance, will see different performance profiles than those using RAID 5 or single-disk configurations.

Targeting AI and Professional Workflows

These systems arrive with a specific focus on emerging use cases. AI development teams increasingly need centralized storage for training datasets, model files, and related assets. The 725 Series offers dedicated resources for this category through its powerful processors and abundant memory. The systems can serve as local storage for private AI knowledge bases and intelligent applications, bridging the gap between raw storage and active computing resources.

Media production facilities represent another key audience. The four models support 4K and 8K media production workflows, where large files and multiple simultaneous users create bandwidth and I/O demands that many standard NAS solutions struggle to meet. You can learn more about specialized NAS systems designed for performance-critical applications to better understand the broader market landscape.

Software and Availability

professional media production workstation
Photo by Onur Binay

The 725 Series runs TerraMaster’s TOS 7 operating system, described as an AI-Native platform with enhanced data search, indexing, and intelligent management capabilities. These features become increasingly valuable as organizations accumulate larger datasets and need faster ways to locate and retrieve specific information.

Pricing starts at $4,999 for the eight-bay U8-725, climbing to $5,499 for the standard 12-bay U12-725, $7,199 for the Plus variant, and $8,299 for the 16-bay Plus model. Each includes 16GB of ECC memory. The systems launched in September and are available through TerraMaster’s online channels.

What This Means for Buyers

Organizations evaluating enterprise NAS solutions now have a genuinely competitive option that combines dense storage capacity with modern networking and processor technology. The inclusion of three M.2 NVMe slots on every model means buyers aren’t forced to choose between fast and cheap storage, they can implement both strategies simultaneously. This flexibility is particularly valuable for IT departments managing diverse workloads under budget constraints.