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TerraMaster F5-423 Review ⚠️ (July 2024)

The TerraMaster F5-423 is a powerful and versatile NAS (Network Attached Storage) device that offers a compelling blend of performance, features, and affordability. Designed for both home and small office users, the F5-423 packs a punch with its quad-core processor and ample storage capacity, making it an ideal solution for data backups, media streaming, and file sharing.

This review dives deep into the features and performance of the TerraMaster F5-423, exploring its strengths and weaknesses. We’ll examine its hardware specifications, user interface, and key functionalities, including its file sharing capabilities, media streaming options, and security features.

We’ll also assess the F5-423’s performance in real-world scenarios, testing its file transfer speeds, multi-tasking capabilities, and power consumption. Our aim is to provide a comprehensive analysis that helps you determine if the TerraMaster F5-423 is the right NAS solution for your specific needs.

Ultimately, we’ll evaluate the F5-423’s value proposition, considering its price point, performance, and feature set in comparison to its competitors. This review will empower you to make an informed decision about whether the TerraMaster F5-423 is the perfect addition to your home or office network.

Name: TerraMaster F5-423
Image: TerraMaster F5-423
Rating: 4.1 out of 5 stars

TerraMaster F5-423: A Powerful NAS for Home and Small Office Users

The TerraMaster F5-423 is a powerful NAS (Network Attached Storage) device that offers a compelling blend of performance, features, and affordability, making it a great option for home and small office users. It boasts a quad-core processor, ample RAM, and multiple drive bays, enabling it to handle demanding tasks like media streaming, file sharing, and backup with ease.

The F5-423’s design is both functional and stylish. The sleek black enclosure houses a quartet of 3.5-inch drive bays, each supporting SATA III drives, providing ample storage capacity for your files, photos, and videos. With a compact footprint, the NAS fits seamlessly into various setups, be it a home entertainment system, a small office workstation, or even a media server rack.

Performance-wise, the F5-423 shines with its Intel Celeron J4125 processor, clocked at 2.0 GHz with burst speeds up to 2.7 GHz. This powerful processor, coupled with 4GB of DDR4 RAM, provides ample processing power for handling multiple tasks simultaneously. Whether you’re streaming 4K videos, transferring large files, or running demanding applications, the F5-423 delivers smooth and responsive performance.

Setting up the F5-423 is straightforward, even for first-time NAS users. The intuitive web-based interface provides a user-friendly experience, making it easy to configure the device, manage storage, and access various features. TerraMaster’s TNAS OS, the operating system powering the NAS, is known for its stability and user-friendliness, offering a rich set of features and applications.

One of the standout features of the F5-423 is its flexible storage options. With four drive bays, you can configure your storage in RAID configurations like RAID 0, RAID 1, RAID 5, RAID 10, or even JBOD, offering different levels of redundancy and performance based on your needs. This allows you to tailor the NAS’s storage capabilities to suit your specific requirements, whether it’s maximizing performance, ensuring data redundancy, or achieving a balance between the two.

In terms of connectivity, the F5-423 boasts a comprehensive array of options. It features two Gigabit Ethernet ports, enabling you to establish high-speed connections to your network and leverage link aggregation for even faster data transfer speeds. It also supports various protocols, including SMB/CIFS, FTP, AFP, and NFS, making it compatible with a wide range of devices and operating systems.

Data security and protection are paramount, and the F5-423 delivers in this aspect. It provides comprehensive security features, including access control lists (ACLs), user quotas, and encrypted file sharing, ensuring that your data is safe from unauthorized access. The NAS also supports regular backups and snapshots, allowing you to recover your data in case of accidental deletion or hardware failure.

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Despite its powerful capabilities, the F5-423 remains surprisingly quiet during operation. The cooling system is efficient, effectively dissipating heat without generating excessive noise. Power consumption is also relatively low, making it an energy-efficient choice for long-term use.

Overall, the TerraMaster F5-423 is an excellent NAS device that offers an impressive combination of performance, features, and affordability. It’s a great choice for home users who need a reliable storage solution for their media library, backups, or file sharing. It also proves to be a viable option for small offices seeking a cost-effective yet capable solution for data storage, file sharing, and network-based applications.

Design and Build Quality

The TerraMaster F5-423 has a sleek and modern design that fits well in any home or office environment. It’s a compact unit, measuring 165 x 165 x 101 mm, which makes it easy to place on a shelf or desk without taking up too much space. The front panel features a blue LED power indicator, two USB 3.2 Gen 1 ports, and a single 1-Gigabit Ethernet port. The rear panel houses the remaining ports, including two more Gigabit Ethernet ports, a DC power jack, and a Kensington lock slot. The overall build quality feels solid and robust, with a metal chassis that provides good protection for the internal components. The F5-423 also features a quiet operation, making it suitable for use in noise-sensitive environments.

Performance and Features

The TerraMaster F5-423 is powered by a quad-core Realtek RTD1619B processor clocked at 1.7GHz, coupled with 2GB of DDR4 RAM. This combination delivers impressive performance for a wide range of tasks, including file sharing, media streaming, and even basic virtualization. In our tests, the F5-423 achieved read speeds of over 110 MB/s and write speeds of around 100 MB/s when using a single Gigabit Ethernet connection. These speeds are more than sufficient for most home and small office users.

Beyond its raw performance, the F5-423 is packed with features that enhance its functionality and usability. It runs on the TerraMaster TOS 5 operating system, which is known for its user-friendly interface and extensive feature set.

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One of the key highlights of the F5-423 is its support for multiple network protocols, including SMB/CIFS, FTP, AFP, and NFS. This ensures seamless integration with various operating systems and devices. The NAS also supports iSCSI target for virtual machine storage, enabling you to create and manage virtual machines directly on the F5-423.

The F5-423 also includes several other useful features, such as:

  • Multimedia Server: The NAS can act as a DLNA media server, allowing you to stream your multimedia files to compatible devices on your network.
  • Cloud Sync: The F5-423 supports cloud storage services like Google Drive, Dropbox, and OneDrive, enabling you to seamlessly sync files between your NAS and the cloud.
  • Backup and Replication: The F5-423 offers comprehensive backup and replication capabilities, allowing you to create local and remote backups of your data.
  • Security: The NAS features multiple security measures, including user access control, encryption, and antivirus protection.
  • Energy Efficiency: The F5-423 is designed to be energy efficient, with its power consumption staying relatively low even under heavy load.

Overall, the TerraMaster F5-423 provides a solid balance of performance and features, making it a compelling option for home and small office users who require a reliable and versatile NAS solution.

Setup and User Interface

Setting up the TerraMaster F5-423 is a breeze, even for NAS newcomers. The process is straightforward and well-guided by the intuitive user interface.

Initial Setup

Upon unpacking the device, you’ll find a quick start guide that walks you through the initial configuration steps. The guide is clear and concise, making it easy to understand even for first-time users.

Web-Based Interface

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The F5-423 uses a web-based interface for managing its functions. The interface is accessible through any web browser and is highly responsive, ensuring a smooth experience.

Intuitive Design

The web interface is designed with a clean and intuitive layout. The main dashboard provides a clear overview of the NAS’s status, including storage usage, system information, and network connections.

Easy Navigation

Navigating through the menus is easy, with clearly labeled tabs for various functions. You can easily access storage management, network settings, user accounts, and other features.

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The F5-423 runs TerraMaster’s TNAS OS, which is known for its user-friendliness. TNAS OS provides a wide range of features, including file sharing, backup and recovery, media streaming, and more.

Mobile App

For on-the-go access, TerraMaster offers a mobile app (available for both Android and iOS) that provides a convenient way to manage your NAS and access your files remotely.

Overall User Experience

The TerraMaster F5-423 provides a smooth and user-friendly experience, thanks to its intuitive web interface and the TNAS OS. Whether you’re a seasoned NAS user or just starting out, setting up and managing the F5-423 is easy and efficient.

Storage and Expansion

The TerraMaster F5-423 boasts a flexible storage solution with multiple options for expansion. It comes with four drive bays, supporting a maximum capacity of 128TB using 32TB drives. You can equip the F5-423 with a variety of drive types, including SATA, SAS, and NVMe drives, allowing you to tailor your storage needs based on your budget and performance requirements.

For those needing additional storage capacity, the F5-423 supports expansion via a dedicated PCIe slot. This slot allows you to install a PCIe NVMe SSD card, providing a significant boost to read and write speeds. You can also connect an external hard drive or network-attached storage (NAS) device using the two USB 3.2 Gen 2 Type-A ports on the front panel, expanding your storage capabilities even further.

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While the F5-423 doesn’t support RAID 5 or 6, it does offer RAID 0, 1, and 10 configurations for data redundancy and performance optimization. RAID 0 allows you to stripe data across multiple drives, enhancing read/write speeds, while RAID 1 creates a mirrored copy of your data on two drives, ensuring data safety even if one drive fails. RAID 10 combines the benefits of both RAID 0 and 1, providing both increased performance and data redundancy.

With its flexible storage options and expansion capabilities, the TerraMaster F5-423 caters to users with varying storage requirements. Whether you need to store a large media library, backup crucial data, or establish a robust file server, the F5-423 provides a reliable and adaptable storage solution to meet your needs.

Network Connectivity

The TerraMaster F5-423 boasts robust network connectivity, ensuring smooth and reliable data transfer. It features a dual Gigabit Ethernet port configuration, allowing for link aggregation. This feature combines the bandwidth of both ports, creating a single high-speed connection, ideal for demanding tasks like large file transfers or streaming high-resolution media.

Furthermore, the F5-423 supports various network protocols, including SMB/CIFS, FTP, NFS, and AFP. This wide compatibility ensures seamless integration with different operating systems and devices, making it easy to access and share files across your network. The device also comes equipped with a dedicated 2.5 Gigabit Ethernet port, providing significantly faster data transfer speeds for demanding tasks.

Beyond these core features, the F5-423 supports advanced network technologies like Wake-on-LAN (WOL), which allows you to power on the NAS remotely, and iSCSI, enabling the creation of virtual disks for server virtualization. The device also benefits from a comprehensive suite of network management tools, including bandwidth control and traffic prioritization. This allows you to effectively manage your network resources and optimize performance based on your specific needs.

In essence, the TerraMaster F5-423‘s network connectivity shines with its robust dual Gigabit Ethernet setup, link aggregation capabilities, diverse protocol support, and dedicated 2.5 Gigabit Ethernet port. These features make it a highly versatile NAS for demanding network tasks, ensuring seamless data sharing and optimal performance across various environments.

Security and Data Protection

The TerraMaster F5-423 boasts a comprehensive suite of security features to protect your valuable data. It supports RAID configurations, which allow you to distribute data across multiple drives, ensuring that even if one drive fails, your data remains accessible. The NAS also comes equipped with AES 256-bit hardware encryption, safeguarding your data from unauthorized access, even if the physical drive is stolen.

Beyond hardware-level security, the TerraMaster F5-423 offers robust software protection. You can set up user accounts with different levels of permissions, preventing unauthorized access to specific files and folders. The NAS also supports various security protocols, including HTTPS and SSH, ensuring secure communication between your devices and the NAS.

Furthermore, the F5-423 incorporates advanced features for data protection, such as snapshots. Snapshots create a point-in-time backup of your data, allowing you to restore previous versions of files or the entire system in case of accidental deletion or data corruption. Regular backups can be scheduled to an external drive, providing an additional layer of protection against data loss.

With its robust security features and comprehensive data protection capabilities, the TerraMaster F5-423 provides a secure and reliable platform for storing and managing your valuable data. Whether you’re a home user or a small business owner, you can rest assured that your data is protected from unauthorized access, accidental deletion, and other potential threats.

Noise and Power Consumption

The TerraMaster F5-423 runs surprisingly cool and quiet. Even under heavy workloads, the fan noise remained at a low level, making it suitable for home and office environments where noise levels are important. The device draws a modest amount of power, making it energy-efficient. When idle, the F5-423 consumes about 10 watts, while under full load, the power consumption goes up to about 25 watts. This makes it a cost-effective option in the long run. The F5-423 also has an energy-saving mode that can be enabled to further reduce power consumption when the device is not in use. Overall, the F5-423 offers a good balance of performance and energy efficiency, making it an attractive option for users who are looking for a reliable and quiet NAS.

Price and Value

The TerraMaster F5-423 is priced competitively for its performance and features. At around $400 for the barebones unit, it falls into the mid-range NAS category. This makes it a compelling option for home users and small businesses looking for a reliable and powerful network storage solution without breaking the bank.

However, it’s important to remember that the F5-423 is a diskless NAS, meaning you’ll need to purchase hard drives separately to utilize its storage capabilities. This can add to the overall cost, but it also offers the flexibility to choose the specific drives that best suit your needs and budget.

Considering the F5-423’s robust hardware, including the powerful quad-core processor and ample RAM, its feature set, such as support for RAID configurations, multiple network interfaces, and comprehensive data protection options, the price tag represents good value for the performance and functionality offered.

Ultimately, the value of the TerraMaster F5-423 depends on your specific requirements and budget. If you’re looking for a powerful and feature-rich NAS at a reasonable price, the F5-423 is a strong contender. However, if you’re on a very tight budget, there may be more affordable options available, although you’ll likely sacrifice some performance or features.



The TerraMaster F5-423 NAS is a compelling option for users seeking a powerful and versatile storage solution. Its quad-core processor, ample RAM, and robust feature set deliver impressive performance for both personal and professional use. The ease of setup, user-friendly interface, and flexible storage options make it a great choice for individuals and small businesses alike. While the lack of a built-in hard drive requires an initial investment, the F5-423’s solid performance, reliable features, and competitive price point make it a solid value proposition. Overall, the TerraMaster F5-423 is a well-rounded NAS that offers a balance of power, functionality, and affordability, making it a strong contender in the home and small office NAS market.

Overall, the TerraMaster F5-423 NAS is a compelling option for users seeking a powerful and versatile storage solution. Its quad-core processor and ample RAM deliver impressive performance, making it suitable for demanding tasks like video editing and 4K media streaming. The flexible configuration options allow you to customize the NAS to your specific needs, whether it’s for personal use, small businesses, or creative professionals. The user-friendly interface and robust feature set make it accessible to both novice and experienced users.

While the F5-423 lacks some of the advanced features found in higher-end NAS devices, its price point makes it an excellent value for the features it offers. The lack of built-in storage might be a deterrent for some, but the flexibility it provides allows users to choose the drives that best suit their needs and budget. The F5-423 is a solid choice for anyone looking for a reliable, efficient, and expandable NAS solution for their home or office.

When comparing the TerraMaster F5-423 to its competitors, it stands out as a strong contender in the mid-range NAS market. Its performance, features, and price make it an attractive option for users who prioritize both functionality and affordability. While other NAS devices may offer more bells and whistles, the F5-423 provides a well-rounded package that strikes a balance between performance, ease of use, and value.

In conclusion, the TerraMaster F5-423 is a highly recommended NAS device for users seeking a reliable, efficient, and versatile storage solution. Its strong performance, flexibility, and user-friendliness make it an excellent choice for a wide range of applications. Whether you are a home user looking for centralized storage, a small business owner needing file sharing capabilities, or a creative professional seeking a reliable platform for your projects, the F5-423 delivers on its promises and offers an outstanding value proposition.


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