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.

Compatibility Guide: Unlock Top Performance, choose a certified, high-stability hard drive.

2-Year Worry-Free Warranty: Hardware, support, and long-term stability for your data.

Processor Model: Intel® N150 Quad-Core

Processor Architecture: x86 64-bit

Processor Frequency: Max burst up to 3.6 GHz

CPU Single-Core Score:

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: √

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: √

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: 

AC Input Voltage: 100V - 240V AC

Current Frequency: 50/60 Hz, Single frequency