U12-725
U12-725

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U12-725

12-Bay High-Performance Enterprise Rackmount NAS

Unified storage built for high-speed collaboration, virtualization, backup, and data-intensive workloads.

$8,399.00
$8,399.00 
0% off

Enterprise-Grade Xeon Performance: Powered by the Intel® Xeon® D-2712T processor with AVX-512, AI acceleration, and hardware encryption for demanding enterprise workloads.

Up to 360TB Raw Capacity: Twelve hot-swappable drive bays support up to 30TB per drive, providing scalable storage for growing business data.

50Gbps Total Network Bandwidth: Four 10GbE SFP+ and two 5GbE ports support link aggregation, load balancing, and network failover.

High-Speed Enterprise Throughput: Delivers sequential read speeds up to 6,250MB/s and write speeds up to 3,480MB/s for large-file transfers and media collaboration.

ECC Memory, Expandable to 1TB: Includes 16GB DDR4 ECC memory with eight memory slots for virtualization and high-concurrency workloads.

Flexible NVMe and PCIe Expansion: Three M.2 PCIe 4.0 NVMe slots and four PCIe expansion slots support SSD acceleration, high-speed networking, and workload expansion.

Enterprise Data Protection: Snapshots, WORM protection, file-system snapshots, encrypted synchronization, and multi-endpoint backup help protect business-critical data.

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U12-725

Enterprise Storage Server

Product Features

Xeon D Processor

High Scalability

The U12-725 is a 2U rackmount high-performance unified storage server designed for medium-sized enterprises, media & broadcasting, AI R&D, and campus security surveillance.

With powerful performance and the globally available TOS 7 AI-native operating system, a single device simultaneously supports six core workloads: media asset collaboration, enterprise file server, virtualization cluster, centralized video surveillance, AI dataset access, and multi-endpoint backup & disaster recovery. It provides a one-stop solution for enterprise mass data storage, compute scheduling, and intelligent O&M, significantly reducing data center procurement and IT manpower costs.

Sequential Throughput (High)

Sequential Read: 6250 MB/s

Sequential Write: 3480 MB/s

4KB Random IOPS

Up to 945,063 IOPS (Read)

High-Concurrency Workload Capacity

SMB Connections: 500+

4K Video Editing Streams: 30+

High Performance

Xeon D series processors

Powered by Intel Xeon D-2712T with native AVX-512 instruction set, DL Boost AI hardware acceleration, and AES hardware encryption engine

Ideal for Massive File Retrieval, Multi-VM Concurrency, 

and Large Model Dataset Workloads

16 GB DDR4 ECC memory, 8-slot quad-channel memory banks, supporting up to 1 TB memory expansion

High-Speed Cache Architecture

3 × M.2 2280 PCIe 4.0 slots, with triple SSD parallel acceleration for hot data read/write and automated cold/hot tiering, significantly reducing HDD I/O pressure

High Reliability

4×10GbE SFP+ Ports + 2×5GbE RJ45 Ports, with total aggregated bandwidth of 50 Gbps (Network Bandwidth: 50GbE Total Network Bandwidth. Storage Performance: Up to 6,250 MB/s Sequential Read) to ensure high-speed business connectivity

Network Stability

Ports support Link Aggregation for failover and load balancing

Granular Network Control

Configure different bandwidth control policies per business scenario to guarantee core application efficiency

Optional Redundant Power Supply

Help maintain service continuity with redundant power protection.

High Scalability for Diverse Enterprise Scenarios

Multiple Expansion Slots

2 × PCIe 4.0 x8 + 1 × PCIe 3.0 x8 + 1 × PCIe 4.0 x4, allowing flexible addition of 25GbE NICs, SAS HBA expansion cards, AI inference accelerators, and hardware encryption cards

Capacity Expansion

Capacity expansion via two U12-725 units, with maximum total capacity reaching up to 1 PB

Delivering Reliable Storage Experience for Enterprises

Easy-to-Use File Management

A brand-new file management application enables different departments and roles to manage and access files with ease. New column layouts, tabbed browsing, and custom sharing make file management both effortless and secure.

Supports Multiple Access Methods

You can access the system via the TerraMaster mobile app TNAS mobile, desktop client, or web browser.

Cross-Platform Data Storage

Supports multiple file services: SMB, SFTP/FTP, iSCSI, NFS, and WebDAV, meeting cross-platform service requirements.

Meeting Diverse Enterprise Data Sync Requirements

Efficient and Secure Cloud Data Synchronization

Supports data sync with major domestic and international cloud services including Google Drive, OneDrive, Amazon S3, Dropbox, Baidu Cloud, and S3-compatible storage. Custom scheduling and encrypted transmission enable cross-platform, cross-region data exchange and resource sharing.

Supports Multiple Access Methods

TerraSync enables cross-platform and cross-device synchronisation, supporting two-way sync, one-way upload, and one-way download. With dual-dimension automatic cleanup technology, it delivers intelligent file version control.

BBS Full-Scenario Backup Solution

With different BBS components, you can back up various endpoints including Windows, Mac, Linux, and virtual machines. It supports diversified backup strategies for employee PCs, file servers, VMs, and more.

Flexible Combination for Full-Scenario Deployment

Adapt to different application scenarios, company sizes, or security levels by flexibly combining core backup components to achieve tailored backup strategies.

Simple and Efficient Deployment

BBS features a fully graphical interface for simple configuration and high deployment efficiency, reducing your administrative and O&M costs.

Robust and Secure

Global LTS encryption technology, combined with multiple active and passive security policies, meets the data security needs of diverse organizations.

Multi-Layered Security Technologies to Protect Enterprise Data

SPC ensures that all executable programs running in the system are legitimate and authorized by the user, thereby enhancing system security and reducing the risk of user data being attacked by hackers or ransomware.

Set a snapshot policy for shared folders or iSCSI LUNs and quickly restore data after a disaster.

Write once, read many (WORM). Files cannot be deleted, modified, or renamed. Prevents accidental operations or tampering. Ideal for specific use cases such as: court cases, medical records, financial securities, and corporate financial data.

Leverage file system capabilities to create snapshots of the entire TNAS file system, preventing data loss from accidental operations or ransomware attacks.

AI-Native – Boosting Collaboration Efficiency and Reducing O&M Costs

Native AI for Full-Scenario Automation

TOS 7 features a completely revamped underlying architecture with 500+ standardized atomic APIs and native CLI tools, empowering full-scenario AI automation. This delivers a transformative "evolution" in AI-powered smart management, boosting collaboration efficiency while effectively reducing O&M costs.

Online Office Collaboration

Supports online editing of Office files, including Word, Excel, and PPT formats.

Inverted Index Technology for a Brand-New Search Experience

Combining kernel-aware and asynchronous cache double acceleration, indexing and retrieval accuracy are improved by 120% compared to the previous generation, and query speed is increased by 10 times.

Intelligent O&M Steward

AI-driven system monitoring and failure prediction, with automatic resource allocation optimization, reduces O&M workload by up to 90%, making IT management simpler and more efficient.

Media & Broadcasting / Design Studios – 
4K/8K Asset Collaboration Hub

1. Supports 20–40 editing workstations with smooth multi-track editing without latency; 

2. AI-powered automatic media asset categorization; 

3. RAID 6 dual-disk fault tolerance protects finished projects, and 10GbE networking enables fast project delivery and asset archiving; 

4. Online collaborative documents centrally store team proposals, storyboards, and blueprints, with real-time sharing across devices.

Supports up to 1 TB large memory expansion

Native 10GbE networking

Supports 3 x NVMe cache drives

TOS 7 AI-Native OS

SME All-in-One File + Virtualization Server

1. Centralized storage for enterprise documents, contracts, and blueprints for 50–100 employees, with 13 levels of permission granularity to isolate departmental data; 

2. Consolidate OA, ERP, Web, and surveillance VMs on a single device; 

3. AI-scheduled automatic backups for all office endpoints, with automatic alerts and recovery for disk/network anomalies, reducing IT O&M pressure; 

4. LDAP domain integration seamlessly connects with existing enterprise IT systems for unified account and permission management.

Powerful Hardware Performance

VMs Virtualization Application

TOS 7 AI-Native OS

13 Granular Permission Management Levels

R&D / Data Labs – Dataset Storage +  Local Lightweight Inference

1. Store massive raw training data on 12-drive HDD arrays, and cache high-frequency training datasets on NVMe for dramatically improved read speeds;

2. AI-driven automated cold/hot tiering and scheduled dataset backups preserve complete R&D raw data.

Powerful Hardware Performance

VMs Virtualization Application

Supports up to 1 TB large memory expansion

TOS 7 AI-Native OS

Enterprise Headquarters Centralized Backup + 
Remote Disaster Recovery Node

1. BBS full-scenario backup enables diverse data backup strategies; 

2. TerraSync cross-device, cross-platform synchronization technology.

Supports up to 360 TB capacity

Native 10GbE networking

Snapshot, HyperLock-WORM Anti-Tampering

Remote Synchronization

1. Test conditions: 

1) Lab environment; performance may vary depending on actual conditions – refer to real-world testing for accurate results;

2) Intel Xeon D-2712T / 1 TB DDR4 ECC / 12 × HDD (SEAGATE Exos x24) / 3 × NVMe SSD (PCIe 4.0 x4) / Link Aggregation mode / RAID 6 / TOS 7; 

3) Sequential throughput: FIO 1 MB block size, pure sequential read/write, SNIA enterprise storage large-file standard; 

4) 4KB random IOPS: FIO 4KB block; 

5) File concurrency: FSCT enterprise file stress testing tool (SMB/NFS);

 

 2. Depending on actual use cases, an AI accelerator card may need to be separately configured.

  • SPECIFICATION

Processor Model

Intel Xeon D-2712T

Processor Architecture

x86-64-bit

Processor Frequency

4 Cores / 8 Threads

1.9 GHz Base / Up to 3.0 GHz Turbo

CPU Single-Core Score

/

Hardware Encryption Engine

Support

System Memory

16 GB ECC DDR4 UDIMM

Pre-installed Memory Module

16 GB ECC DDR4 UDIMM (16 GB)

Total Memory Slot Number

8 (DDR4 UDIMM)

Maximum Supported Memory

1TB ECC DDR4 UDIMM

Disk Slot Number

12

Compatible Drive types

3.5" SATA HDD 
2.5" SATA HDD

2.5" SATA SSD

Maximum Internal Raw Storage Capacity

360 TB (30 TB x 12) (Capacity may vary by RAID types)

Drive Hot Swap

Support

Note

. Hard drive vendors will release their latest models of hard drives, and Maximum internal raw storage capacity may be adjusted accordingly. . The maximum single volume size is not directly related to the maximum raw capacity.

Internal Drive

Btrfs, EXT4

External Drive

EXT3, EXT4, NTFS, FAT32, HFS+, BTRFS

RJ-45 2.5GbE Network Jack

/

RJ-45 5GbE Network Jack

2

RJ-45 10GbE Network Jack

/

SFP+ 10GbE Network Jack

4

USB3.1 Host Port

USB 3.2 Gen 1 Type-A ×2 (5Gbps)
USB 3.2 Gen 2 Type-C ×2 (10Gbps)

USB2.0 Host Port

2

Console interface

1

HDMI

/

VGA

1

PCIe Slots

4*PCIE X8（2*PCIE4.0 X8;1*PCIE3.0 X8; 1*PCIE4.0 X4）

M.2 2280 NVMe Slot

3 (PCIe 4.0 x4）

Size (H*W*D)

88 x 440 x 650 mm

Packaging Size (H*W*D)

217 x 580 x 710 mm

Weight

16.0 Kg

System Fan

80 x 80 x 38mm 3PCS

Fan Mode

Smart, High speed, Middle speed, Low speed

Noise Level

39.0 dB(A) （Using 2 SATA HDDs/SSDs in standby mode; Test environment noise: 17.3dB(A); Test distance: 1m）

Power Supply

800 W

Redundancy Power Supply

/

AC Input Voltage

100V - 240V AC

Current Frequency

AC Frequency: 50/60 Hz

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