F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS
F4-425 4-Bay NAS

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2-year warranty

Support 24/7

Easy Returns and Exchanges

F4-425 4-Bay NAS

4-Bay Home Network Storage

​Power Beyond ARM. Intel x86 Fuels Your Silent, Smart Home Data Hub.​

$369.99

Powerful Performance: Equipped with an Intel x86 quad-core processor and 4GB RAM, the F4-425 network attached storage effortlessly handles 4K transcoding and multitasking. The 2.5GbE port ensures ultra-fast file transfers and supports multi-user concurrent access.

Home Multimedia Hub: The F4-425 media server supports hardware-level 4K H.265 decoding, compatible with Plex, Emby, and Jellyfin for smooth HD video playback, with DLNA for seamless multi-device streaming. The Photos app features AI smart album and efficiently organizes millions of photos.

TNAS Mobile Full Control: Initialize setup for your F4-425 NAS storage via the TNAS Mobile app without a PC. The mobile app supports automatic photo and video backups, plus real-time local/remote synchronization, all managed through a single client.

Ultra-Quiet & User-Friendly: The F4-425 NAS server operates at just 21dB(A), ideal for quiet environments like bedrooms. Its tool-free Push-Lock design HDD trays enable to install HDDs in 10 seconds.

Massive Storage & Security: The F4-425 4-bay NAS supports up to 120TB storage (4 x 30TB for each bay), 50+ independent user accounts, and flexible TRAID / TRAID+ arrays, 30% more storage space than traditional RAID while ensuring data redundancy. SPC module and CloudSync (compatible with Google Drive, OneDrive, Dropbox) enable seamless cross-platform synchronization and uninterrupted data access. Additionally, TerraSync enables two-way sync between the F4-425 and PCs/Macs.

Cloud Sync Integration:​ Seamlessly connect your cloud drives to TNAS with ​​TerraMaster CloudSync​​, enabling two-way synchronization between cloud and NAS storage. CloudSync consolidates multiple mainstream cloud services in one app, including ​​Google Drive, OneDrive, Amazon S3, Dropbox, Baidu Cloud, and Alibaba Cloud​​.

TerraMaster F4-425

​​Beyond ARM limits: The Intel x86-powered F4-425 delivers robust, smart, and whisper-quiet performance for your ultimate home data hub.​

F4-425 Ultra Performance​​

Powerful Intel x86 Performance for Home & Multimedia: The F4-425 network attached storage features an Intel x86 quad-core processor, 4GB RAM, and a 2.5GbE port, delivering robust 4K video transcoding and smooth multimedia streaming. Perfect for home photo backups and multimedia entertainment.

Family Data Hub​​

Scalable 120TB Family Hub: ​​Centralize photos, media libraries, and backups—streams seamlessly to TVs and streaming devices.

Safely centralize data from all your devices—Windows, Mac, mobile, external drives, and cloud storage—into TNAS. Protect against hardware failures, ransomware, and disasters with single-platform management.

AI Photo Management With Local Privacy

The F4-425 uses ​​on-device AI​​ to auto-organize photos by faces, pets, objects, and scenes—no cloud needed. Supports JPG/HEIC/PNG+ with secure TNAS Mobile sharing (expiry controls, download limits, passwords).

TNAS Mobile: Your All-in-One Solution

TNAS Mobile combines auto photo backup, AI organization, user/storage controls, secure vaults, and admin tools—delivering seamless remote access. Share memories confidently with granular controls: custom rules, expirations, access limits, and military-grade security for one-tap worry-free sharing.

Mobile Photo Backup

This all-in-one app combines automatic photo backup, AI-powered photo organization, user management, storage control, personal/team folders, secure vaults, and admin tools—delivering seamless remote access and mobile productivity.
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Granular Sharing Control in TNAS Mobile

Share precious memories with confidence through TNAS Mobile's granular controls—customizable share names, expiration dates, access limits, download permissions, and optional password protection—all secured with multi-layered security for worry-free, one-tap personalized sharing.

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Access Your NAS With Unmatched PC Convenience

Seamless Remote Access

Access files anywhere, anytime—powered by TNAS.online's global network. Enjoy stable transfers and effortless connectivity in any network environment, zero setup required.

​​Auto-backup photos to TNAS​

Auto-backup travel photos to TNAS & instantly share with family.​

​​Access work files remotely

Work efficiently even while traveling for business.​

Private Accounts

The F4-425 supports 50+ independent accounts for cost-effective family sharing.​​ Isolated storage ensures privacy, while a shared space enables seamless collaboration—perfectly balancing security and teamwork.

Home Multimedia Center

The F4-425 delivers robust 4K video decoding with UPnP/DLNA protocol support. Stream seamlessly to phones, tablets, and TV platforms (Roku/Apple TV/Chromecast/Fire TV/smart TVs) via TerraMaster's Media Server or apps like Plex/Emby—delivering uninterrupted viewing pleasure.

User-Friendly NAS System: All-in-One Solution​

​​The F4-425 includes TerraMaster's free TOS 6 OS—a web-based system designed exclusively for their NAS.​​ Configure everything through an intuitive browser interface, no command lines needed. TOS 6 delivers ​​40+ new features and 370+ refinements​​ with a complete redesign, enhanced security for stronger data protection, and optimized performance for agile task processing—​​offering TNAS users an unparalleled upgrade experience.​

​​Direct Drive Mounting·Seamless Cloud Storage Integration·Cloud Drive Mounting​

TOS 6's Direct Mount revolutionizes storage expansion:​​ Simply hot-swap pre-used drives with existing data into your TNAS—no reformatting or data loss required. Instantly access content over the network while seamlessly migrating, expanding storage, or repurposing old drives.

Mount cloud storage as a local TNAS folder. Access and manage your cloud files directly from your TNAS as if they were local.

​​Cross-Platform File Services​

Unlock More Ways to Enjoy

Rich Multimedia Applications

TerraMaster App Center: Your Free Productivity Hub​​.

Download powerful tools like ​​Aria2, qBittorrent, and Transmission​​ for high-speed file transfers and media downloads. Enhance your multimedia experience with apps including ​​Media Server, Plex, Emby, Terra Photos, and iTunes Server​​—simplifying management, sharing, and playback of home videos, photos, and music.

Docker Unleashes More Possibilities

VirtualBox Virtualization: Enterprise-Grade Flexibility​​. Run multiple virtual machines simultaneously on your NAS to meet diverse virtualization needs.

 

​​Docker Ecosystem Expansion:​​ Unlock innovative solutions through Docker-compose and Portainer integration, enhancing your virtualization capabilities with rich container tools.

Surveillance Manager

TerraMaster's proprietary Surveillance Manager enables you to create a complete video surveillance system by connecting multiple ONVIF-compliant IP cameras to your TNAS. This integrated solution provides centralized camera management, live viewing, historical playback, and automatic storage of all recordings to designated TNAS locations - all through an intuitive unified interface.

Enterprise-Grade Security Protection

TOS delivers multi-layered defense mechanisms to safeguard critical data, significantly reducing risks from hackers and ransomware attacks.

Flexible & Secure Storage Solutions 

In addition to supporting standard RAID types (Single, RAID 0, and RAID 1), TerraMaster offers its proprietary TRAID/TRAID+ elastic array technology, enabling online capacity expansion, live migration, and hot-spare disk configuration for enhanced flexibility. When a TerraMaster USB DAS disk array is connected to a NAS, external drives can also be used to create storage pools and volumes, allowing for seamless storage expansion. 

TerraMaster TRAID provides users with an optimized, flexible and elastic disk array management solution！

 

Learn more

Easy to swap hard drives

The F2-425 features a tool-less drive tray design, allowing effortless hard drive installation and removal without any tools.

It incorporates innovative Push-lock mechanism—automatically locking the drive in place upon insertion to prevent disconnection or accidental falls.

Swapping a hard drive takes less than 10 seconds, providing exceptional convenience for users who frequently need to replace drives or transfer data.

  • SPECIFICATION

F4-425 - Specifications

Processor Model

Intel Celeron N5095

Processor Architecture

x86 64-bit

Processor Frequency

Quad Core 2.0 GHz (Max burst up to 2.9 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

System Memory

4 GB DDR4 non-ECC SODIMM

Pre-installed Memory Module

4 GB DDR4 non-ECC SODIMM (1x 4GB)

Total Memory Slot Number

1 (DDR4 SODIMM)

Maximum Supported Memory

16GB DDR4 non-ECC SODIMM

Maximum Internal Raw Storage Capacity

120 TB (30TB x4) (Capacity may vary by RAID types)

Disk Slot Number

4

M.2 2280 NVMe Slot

/

RJ-45 2.5GbE Network Port

1

USB3.2 Host Port

2 x 10 Gbps + 1 x 5 Gbps

HDMI

1 x HDMI

Size (H*W*D)

222 x 179 x 154 mm

Weight

Net Weight: 2.1 Kg , Gross Weight: 3.2 Kg

Power Supply

90 W

F4-425产品文档

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F4-425参数指南 中文版 下载 0.63MB