商品描述
F4-425 Plus
3+4 Bay Hybrid Network Storage
The F4-425 Plus delivers pro-level performance for tech enthusiasts and small offices
- Powerful Performance: Equipped with an Intel N150 processor, 16GB DDR5 memory, and dual 5GbE ports, the F4-425 Plus delivers exceptional speed with read/write performance up to 1020 MB/s, ideal for multitasking and high-demand office or creative workflows.
- Home Multimedia Hub: With 4K hardware decoding and support for Plex, Emby, and Jellyfin, it effortlessly streams your media library to TVs, phones, and tablets. Integrated download tools and cloud sync make it easy to build and manage your entire entertainment collection.
- TNAS Mobile Full Control: The TNAS Mobile app enables seamless photo backup, AI-powered album organization, and full NAS management directly from your smartphone. Enjoy secure remote access, flexible sharing with detailed permissions, and effortless mobile productivity.
- Ultra-Quiet & User-Friendly: Designed for quiet home and office use, the system runs the intuitive TOS 6 OS—featuring a revamped interface, one-click setup, and straightforward web-based administration without requiring command-line skills.
- Massive Storage & Security: Supporting up to 144TB (4× HDD + 3× M.2 SSD), it offers scalable storage with TRAID, TFSS snapshots, and HyperLock-WORM protection. Your data remains secure with multi-layer encryption, firewall policies, and ransomware resilience.
- Cloud Sync Integration: TerraMaster CloudSync seamlessly connects your TNAS with Google Drive, OneDrive, Dropbox, Baidu Cloud, and other popular cloud services, supporting flexible sync strategies, encryption, and bandwidth control for unified hybrid storage.
Core Applications
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.
Guest Access Mode
Visitors can access authorized shared content without the need for an account or password. This simplifies temporary collaboration while maintaining data security.
Familiar Windows Experience
The system fully inherits the operational logic of the Windows file system, allowing users to work without adapting to a new platform and helping organizations reduce training costs.
Remote Access
When traveling or away from the office, employees can securely access the company's internal file repository via the internet, ensuring important documents are always within reach.
Effortless PC Storage Expansion
Instantly extend your computer's storage by mapping TNAS space as a native local drive. Enjoy the same smooth experience as using a local disk - with no compromises in speed, stability, or usability.
Flexible Access Control
Administrators can assign differentiated read and write permissions to folders based on user roles and specific needs, ensuring both data security and efficient management.
Team Shared Folders
Enable team members to quickly share and transfer files, improving collaboration efficiency and keeping workflows smooth.
Recycle Bin Permission Management
Files deleted by regular users are automatically moved to the recycle bin, but only administrators have full control-able to restore or permanently remove files as
needed.

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
- 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.
System-Wide PAM Authentication
Enables flexible and configurable security policies across the system.
Firewall and Whitelist Rules
Restrict access by IP address, subnet, and port.
Encrypted Data Transmission
Secures data with 256-bit encryption and TLS protocols.
OTP Two-Factor Authentication
Adds mobile verification for login, enhancing account security.
IP Blocking
Automatically locks out addresses after multiple failed login attempts.
DoS Protection
Maintains TNAS stability during denial-of-service attacks.
Certificate Services
Ensures device authentication and encrypted access.
Security and Privacy Control (SPC)
Blocks unauthorized apps from accessing network and storage.
Secure Isolation Mode
Disables internet access to prevent attacks and unauthorized software, creating a safer environment.
TRAID Elastic Array
Provides flexible array configurations with online migration, expansion, and redundancy, improving disk space utilization.
TFSS File System Snapshots
One-click global snapshots and restoration of storage space, effectively helping to prevent ransomware attacks.
TFM Backup
Supports local and remote folder mirroring and incremental backups, optimizing storage usage.
HyperLock-WORM
Prevents tampering with data, with protection periods of up to 70 years.
Snapshots
Supports snapshots and restoration of files and iSCSI LUNs, with remote replication capability.
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.
TNAS Mobile – Everything Under Control
The app offers seamless automatic backup of mobile photos and videos, with AI-powered categorization for large libraries. It integrates device setup, user/storage management, personal folders, team shares, and a safe—enabling remote access and mobile productivity. Granular sharing controls allow custom link expiration, access limits, encryption, and download permissions for secure collaboration.
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.

SPECIFICATION
- Processor Model: Intel® N150 Quad-Core
- Processor Architecture:x86 64-bit
- Processor Frequency: Max burst up to 3.6 GHz
- CPU Single-Core Score: N/A
- 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: Supported
- 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: 4
- 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: 3 (PCIe 3.0 x1)
- Drive Hot Swap: Supported
- File System:
- Internal Drive: Btrfs, EXT4
- External Drive: EXT3, EXT4, NTFS, FAT32, HFS+, BTRFS
- RJ-45 5GbE Network Port: 2
- USB3.2 Host Port: 3 x Type A + 1 x Type C
- HDMI: 1 x HDMI
- Appearance
- Size (H*W*D): 150*181*219 mm
- Packaging Size (H*W*D): 186*277*277 mm
- Weight: Net Weight: 2.9 Kg , Gross Weight: 4.1 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
- Redundancy Power Supply: N/A
- AC Input Voltage: 100V - 240V AC
- Current Frequency: 50/60 Hz, Single frequency
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PDF: https://download2.terra-master.com/F4-425_Plus.pdf