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TerraMaster F5-421


AED 1,710.00 (Inc. VAT)
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    • 5 Bay Diskless NAS
    • Intel Celeron J3455 Quad-Core 1.5GHz, 4GB RAM

    F5-421 - PRODUCTS

    F5-421 : 5-Bay NAS for Small/medium Business

    Powerful Configuration, Excellent Performance

    With an Intel quad-core processor, the device’s main frequency reaches up to 1.5 GHz (max turbo to 2.3 GHz). It achieves read speeds of 119 MB/s and write speeds up to 118 MB/s, supports AES NI hardware encryption, and is ideal for small to medium commercial storage servers with 4GB DDR3 memory and four 1000Mbps network interfaces.

    6-layer data security protection

    The F5-421 device relies on the following six data security layers:

    Automatic scheduled backup
    Btrfs file system and snapshot
    Multi RAID array security
    AES hardware folder encryption and network transport encryption
    Cloud drive data backup
    File system Cluster

    Enhance the Safety of your Data with a Next-Generation File System

    Superior storage technology and optimised snapshot technology are the cornerstones of the Btrfs file system, which is what TerraMaster’s F5-421 5-bay NAS unit relies on for advanced data protection, prevention of data corruption, and minimal maintenance expenses. Use of this file system promotes high data integrity, all the while promoting flexibility and efficiency in the areas of data protection and data recovery.
    Optimised snapshot technology generates 1024 snapshots for every shared folder, and up to 8,192 overall system snapshots. In this way, users can benefit from flexible, storage-saving data protection.
    Since data recovery takes place at the file or folder level, businesses can also benefit from enhanced flexibility and efficient data recovery.

    Faster and Safer

    The device is equipped with four Gigabit network interfaces to support network aggregation and failover. If one network interface fails, the Internet connection can be maintained, helping to reduce the possibility of service interruption and the inconvenience of downtime operation. In addition, network aggregation can give full play to the advantages of the four network interfaces, which several times faster the connection speed and breaks the speed limit of a single network interface.

    Large-Scale User Access

    Support concurrent access for up to 1,000 users. You can also share storage space across multiple users, apply RBAC rights management and Windows ACL, and set access rights according to users, user groups, and folders.

    SSD Cache

    Using SSD acceleration technology, transmission efficiency can be enhanced with a read-write optimised combination of hard disk and SSD cache. Effective SSD acceleration technology dramatically reduces I/O latency and improves storage efficiency by more than 20%.

    Multiple RAID Modes

    Support a variety of disk array modes, including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD, and SINGLE, to meet the needs of various users and levels of data security.

    A Private Space in the Cloud

    TNAS offers users the opportunity to establish a personal cloud drive that satisfies their remote access needs. Rights of access can be tailored for your colleagues, relatives, or friends, and with support for two-way sync cloud drive, enjoying the benefits of convenient cloud life has never been easier. for Simple Remote Access spares you from setting up DDNS, complicated network settings, and further port forwarding rules when trying to access files on TNAS through the Internet. At no additional expense, the service provides a secure, modifiable URL that you can use to engage with audio and video content, along with other work files, on your Internet-enabled device.

    Striving to Satisfy Small and Medium Businesses

    Small businesses benefit from the opportunity to conveniently build file storage servers, mail servers, web servers, FTP servers, MySQL databases, CRM systems, Node.js, and Java virtual machines, as well as a host of other commercial applications.

    State-of-the-Art TOS 4.1.X Operating System

    With the most recent version of the TOS operating system, TOS 4.1.X, you can back up your data, manage your file server, and optimise your sharing services in an intuitive, simple, and user-friendly way. The operating system includes a complex of application software, with rich application content, potent multimedia services, and numerous ways to back up your data.

    Smart Mobile App

    With the TNAS mobile app, quickly access your TNAS device and its multimedia data without restrictions, all simply through your iOS or Android system.


    F5-421 - PRODUCTS
    Processor Model Intel® Celeron® J3455
    Processor Architecture X.86 64-bit
    Processor Frequency Quad Core 1.5GHz (Max burst up to 2.3GHz)
    Hardware Encryption Engine
    System Memory 4GB 
    Pre-installed Memory module /
    Total Memory Slot Number 1
    Maximum Supported Memory  8 GB (4 GB + 4 GB)
    Note TerraMaster reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
    Disk Slot Number 5
    Compatible Drive types 3.5' SATA HDD
    2.5' SATA HDD
    2.5' SATA SSD
    Maximum Internal Raw Storage Capacity 80TB (16TB x 5) (Capacity may vary by RAID types)
    Max Single Volume 108TB
    Drive Hot Swap
    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.
    File System
    Internal Drive EXT4, BTRFS
    External Drive EXT3, EXT4, NTFS, FAT32, HFS+
    External Ports
    RJ-45 1GbE Network Jack 4
    USB 3.0 Port 2
    USB 2.0 Port /
    COM /
    HDMI /
    VGA /
    LSI 9207-8i HBA Card /
    PCIe Slots /
    Size (H*W*D) 227 x 225 x 136 mm
    Packaging Size (H*W*D) 300 x 275 x 186 mm
    Weight Net Weight: 2.30Kg  Gross Weight: 3.56Kg
    System Fan 80 mm x 80 mm x25mm  2 pcs
    Fan Mode Smart, High speed, Middle speed, Low speed
    Noise Level 19.8dB(A) 
    Power Supply 90W
    AC Input Voltage 100V - 240V AC
    Current Frequency 50/60 Hz, Single frequency
    Power Consumption 46.6W (read & write)
    Limited warranty 2 years
    Certificate FCC, CE, CCC, KC
    Environment RoHS, WEEE
    Working Temperature 5°C  ~ 40°C (40°F ~ 104°F)
    Storage Temperature -20°C ~ 60°C (-5°F ~ 140°F)
    Relative Humidity 5% ~ 95% RH
    Package Contents
    Host unit (x1)
    Power cord (x1)
    RJ-45 network cable (x1)
    Quick Installation Guide (x1)
    Limited Warranty Note(x1)
    Screws(a few)
    Power adapter (x1)
    TOS Features
    OS Supported
    Supported Client OS Windows OS, Mac OS, Linux OS
    Supported Web Browsers Google Chrome 48, Microsoft Internet Explorer 9, Mozilla Firefox 30,Apple Safari 4.5 or later version; Microsoft Edge is not recommened.
    Supported mobile OS Ios 8.2, Android 6.0 or later version
    Storage Management
    Supported RAID Types Single, JBOD, RAID 0, RAID 1, RAID5, RAID 6, RAID 10
    Maximum Internal Volume Number 256
    Maximum iSCSI Target 128
    Maximum iSCSI LUN 256
    Volume Expansion with Larger HDDs RAID 1,RAID5,RAID 6,RAID10
    Volume Expansion by Adding a HDD RAID5,RAID6
    RAID Migration
    SSD Cache
    Hot Spare
    SSD TRIM /
    Hard Drive S.M.A.R.T.
    Seagate IHM
    NVRAM write cache(BBU-protected) /
    WORM(Write Once Read Many) /
    Shared Folder Snapshot
    LUN Snapshot /
    Storage QoS For Shared Folder /
    File Services
    File Protocol SAMBA/AFP/NFS/FTP/WebDAV
    Maximum Concurrent SAMBA/AFP/FTP Connections 500
    Windows Access Control List (ACL) Integration
    NFS Kerberos Authentication
    Account & Shared Folder
    Maximum local user's account number 2048
    Maximum local group number 512
    Maximum shared folders number 512
    Maximum shared folders syncing tasks 8
    Rsync Server
    Rsync Backup
    Schedule Backup
    USB Device Backup
    Cloud Sync
    Time Machine Server
    File System Gluster
    TCP/IP IPv4
    Link Aggregation
    DLNA Compliance
    VPN Client
    VPN Server
    Proxy lient
    Proxy Server /
    UPnP/Bonjour Discovery Remote Access
    Access Right Management
    Batch users creation /
    Import/Export users /
    User Quota Managerment
    Local user access control for CIFS/SAMBA and FTP
    Domain Authentication
    Microsoft Active Directory
    LDAP Client
    LDAP Server
    SSO /
    Firewall Protection
    Account Auto-block Protection
    AES Volume and Shared Folder Encryption
    Importable SSL certificate
    Instant Alert via email, SMS, Beep
    Power Managerment
    Automatic Power On After Power Recovery
    Scheduled Power On/Off
    Wakeup On LAN /
    UPS Supported
    Multi-window, Multi-task System Management
    Custom Desktop
    Control Panel
    Resource Monitor
    OS UI Language English,German, French, Spanish, Italian, Magyar, Chineses,Japanese,Korean
    Application Center
    Mail Server
    Web Server
    Clam Antivirus
    Multi Media Server
    Plex Media Server
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