NAS TerraMaster F4-425 Plus 4x HDD/SSD 3x NVMe M.2 2x 5GbE 16GB DDR5 4x USB 10 Gb/s

NAS TerraMaster F4-425 Plus is designed for geek enthusiasts and small offices, featuring outstanding hardware configuration with 16GB DDR5 memory and dual 5GbE ports for exceptional performance. Its on-device AI photo management organizes memories without cloud uploads, ensuring complete privacy. With massive 144TB storage, it centralizes data effortlessly while enhancing team collaboration. Multi-layered security provides reliable, worry-free data protection.

Powerful Hardware Configuration

Equipped with Intel's new Twin Lake N150 4-core processor (up to 3.6GHz) with integrated Intel® Graphics, delivering 25% faster 8K video transcoding. Features AES-NI hardware encryption, 16GB DDR5 memory, dual 5GbE ports, and three M.2 slots for exceptional performance and expandability.

Innovative Triple M.2 Design

The F4-425 Plus delivers massive expandable storage, supporting four HDDs (30TB/drive) and three M.2 SSDs (8TB/drive) for a total capacity of 144TB. Its three M.2 slots can be configured as a RAID 5 array for both data security and fast performance, while also enabling independent storage pools for HDDs and SSDs. Storage can be further expanded using TerraMaster USB DAS for seamless scalability.

Dual 5GbE Ports, High-Speed Performance

Dual 5GbE ports deliver blazing speeds and maxed-out performance. Supporting multiple Bond modes and SMB Multichannel, they achieve sequential write speeds up to 1020MB/s and 4K random read/write speeds of 280K IOPS. Ideal for multi-user offices and video editing scenarios.

Docker Unleashes More Possibilities

TOS supports Docker Compose and Portainer for streamlined deployment of numerous containerized applications to meet customized needs. With VirtualBox, run multiple virtual machines in parallel to support testing, office, and development environments. All consolidated into one device for versatile work, learning, and entertainment use cases.

Build Your Home Multimedia Hub Video Resource Downloading

The F4-425 Plus features 4K video hardware decoding and supports media server apps like Plex, Emby, and Jellyfin for multi-screen streaming to phones and TVs. With built-in download tools like Aria2 and Xunlei, it lets you easily acquire, manage, and enjoy your media. All in one powerful, streamlined hub.

User-Friendly NAS Operating System

The F4-425 Plus comes with TOS 6, TerraMaster’s web-based operating system built specifically for its NAS devices. All configurations are handled through an intuitive browser interface, no command-line expertise required.

TOS 6 introduces over 40 new features and refines more than 370 details, delivering a fully redesigned user experience. With strengthened security mechanisms and enhanced system performance, it offers TNAS users a smoother, faster, and more reliable upgrade experience.

Team Collaboration, Redefined

An enterprise-level cloud solution built for SMBs. It ensures complete privacy security with on-premises data storage and enables efficient, stable file transfer over LAN, bypassing bandwidth limitations.

Permission Management

It offers 13 flexible permission settings to create individual accounts for home or business users, supporting batch creation, password policies, and Recycle Bin management. With Windows Active Directory/LDAP integration, users can log in directly with their domain credentials, eliminating extra passwords and streamlining IT maintenance.

Enterprise Backup Solution

BBS is TerraMaster's self-developed, all-scenario enterprise backup solution. Its core modules work together to build a comprehensive data protection system: 

• • TerraSync (TS): Syncs data across multiple backup servers and between servers and PCs. 
• • Centralized Backup (CB): Backs up employee PCs, file servers, and VMs to a local backup server. 
• • Duple Backup (DB): Provides off-site disaster recovery through cross-server replication. 
• • CloudSync: Enables cloud-based backup and disaster recovery. 
• • Snapshot: Protects files and folders with instant snapshots to guard against ransomware.

Seamless Cloud Drive Integration

TerraMaster CloudSync automates one-way or two-way sync between your NAS and leading cloud services like Google Drive, OneDrive, Dropbox, Baidu Cloud, and Alibaba Cloud. Flexible sync strategies, data encryption, scheduled tasks, and bandwidth control ensure secure and efficient synchronization.

Cross-Platform File Services

Supports mainstream protocols including SMB, NFS, SFTP/FTP, AFP, iSCSI, and WebDAV. Flexible permissions based on users, groups, and directories enable secure, cross-platform file sharing across diverse network environments.

Applications for Small and Medium Businesses

TNAS makes it easy to deploy file, mail, web, and FTP servers, alongside MySQL databases, CRM, Node.js, Java VM, and more, meeting the diverse needs of SMBs in education, consulting, finance, research, legal, and other sectors.

Video Surveillance Management

Easily build a professional surveillance system by connecting multiple ONVIF-compatible IP cameras to your TNAS. Manage cameras, view live or recorded footage, and store videos directly to designated storage on the NAS. All through a unified interface.

Multiple Safeguards for File Security

As cyberattacks grow increasingly rampant, TOS delivers essential multi-layered security. These defenses protect your data and significantly mitigate risks from hackers and ransomware.

​​Access Your World: The Private Cloud, Securely Everywhere.​

High-speed, reliable remote access

Leveraging a global multi-node network for reliable data transfer, it enables efficient access from any network environment without complex configuration. Securely retrieve your NAS data from anywhere in the world with consistent performance.

Private, Secure Personal Cloud

The F4-425 Plus enables one-click deployment of a high-security personal private cloud, delivering enterprise-grade protection without subscriptions. Using TPT direct-connect technology for full-speed transfers, it allows secure, easy access from any device with no complex setup, ensuring complete data privacy.

Local AI. No cloud upload required

TNAS uses local AI algorithms for intelligent photo organization without cloud uploads, ensuring complete privacy. It automatically recognizes faces, pets, and scenes to create personalized albums with relationship tags—enabling quick search and seamless sharing. Ideal for households and photography enthusiasts.

Unified Family Album Management

One Place for All Family Photos: Keep every memory secure, organized, and easy to share.

​​AI-Sorted Albums: Automatically organize thousands of photos into personal collections.

​​Timeline of Milestones: Instantly find any baby photo or video by date. Celebrate every growth.

Unified Family Album Management

One Place for All Family Photos: Keep every memory secure, organized, and easy to share.

​​AI-Sorted Albums: Automatically organize thousands of photos into personal collections.

​​Timeline of Milestones: Instantly find any baby photo or video by date. Celebrate every growth.

Family Data Storage Hub Unified Management of Massive Resources

Family Data Storage Hub: Designed for households, it supports drives up to 30TB for a total capacity of 144TB—capable of storing 50 million HD photos, 150 million documents, 98,000 HD movies, or 5 million lossless audio tracks.

Unified Management of Massive Resources: Back up data scattered across PCs, mobile devices, external drives, and cloud storage to your TNAS for unified management—effectively preventing data loss caused by hardware failure or viruses.

Direct Data Drive Mounting

Unlike other NAS devices that require users to partition and format hard drives before installation, erasing all existing data, the F4-425 Plus supports direct installation with full preservation of the original data.

TOS 6 supports direct data drive mounting, enabling users to hot-plug hard drives with existing data into the TNAS for immediate access. This requires no partitioning or formatting and keeps all original data fully intact.

technical speci

• Procesor: Intel® N150 Quad-Core x86 64-bit
• Processor Frequency Max burst up to 3.6 GHz
• Hardware Transcoding Engine: H.264, H.265, MPEG-4, VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 60
• Hardware Encryption Engine Yes
• System Memory 16 GB DDR5 non-ECC SODIMM
• Pre-installed Memory Module 16 GB DDR5 non-ECC SODIMM (1x 16GB)
• Total Memory Slot Number 1 (DDR5 SODIMM)
• Maximum Supported Memory 32 GB DDR5 non-ECC SODIMM
• Disk Slot Number 4x
• Compatible Drive types 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD
• Maximum Internal Raw Storage Capacity 120 TB (30TB x4) (Capacity may vary by RAID types)
• M.2 2280 NVMe Slot: 3x (PCIe 3.0 x1）
• Drive Hot Swap √
• File System: Internal Drive: Btrfs, EXT4; External Drive: EXT3, EXT4, NTFS, FAT32, HFS+, BTRFS
• RJ-45 5GbE Network Port: 2x
• USB3.2 Host Port: 3x Type A + 1x Type C
• HDMI: 1 x HDMI
• Size (H*W*D): 150*181*219 mm
• Weight: 2.9 Kg
• System Fan: 120 x 120 x 25mm  1PCS
• Fan Mode: Smart, High speed, Middle speed, Low speed
• Noise Level: 20.9 dB(A) （Using 4 SATA HDDs/SSDs in standby mode; Test environment noise: 17.3dB(A); Test distance: 1m）
• Power Supply: 90 W