TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure

TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 1
TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 2
TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 3
TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 4
TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 5
TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 6
TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 7
TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 8
TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure — image 9
86%
92%
Data Transfer Speed
88%
Ease of Setup
80%
Cooling Efficiency
86%
Build Quality
72%
Noise Level Under Load
95%
Storage Capacity
90%
Tool-Free Drive Management
89%
Reliability
90%
Compatibility
78%
User Support
92%
Value for Money
84%
Design and Aesthetics
More

Overview

The TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure is a versatile solution for users needing high-capacity, fast storage. This tool-free enclosure supports up to 120TB of storage by utilizing four individual drives. With USB 3.2 Gen 2 support, it can transfer data at speeds up to 10Gbps, making it an excellent choice for those requiring quick access to large amounts of data. The hot-swappable design allows for seamless drive replacement without the need to power off, offering a great deal of convenience for everyday users.

Features & Benefits

This external hard drive enclosure utilizes a USB 3.2 Gen 2 interface to deliver impressive data transfer speeds of up to 10Gbps, ensuring smooth performance even with large files. The hot-swappable feature lets users replace hard drives without shutting down the device, which is perfect for those who frequently need to change drives. Additionally, the enclosure supports various drive sizes, accommodating up to 30TB per disk, and its intelligent fan system keeps temperatures in check while maintaining a quiet operation.

Best For

The TERRAMASTER D4-320 is ideal for users who require substantial storage capacity and fast data transfer speeds. Professionals handling large media files, such as video editors or photographers, will appreciate the ability to store and access content quickly. Home users in need of a plug-and-play solution for backups or general storage will find this product extremely easy to use. Tech enthusiasts and small businesses looking to expand their storage capabilities without dealing with complex setups will also find this product very appealing.

User Feedback

Overall, reviews for this hard drive enclosure are positive, with many users praising its speed and ease of use. The setup process is straightforward, with no drivers required, which makes it a convenient choice for those seeking a hassle-free experience. Some users, however, have mentioned concerns about fan noise when the device is under heavy load, though this seems to be a minor issue. Despite this, the product performs solidly for users needing reliable storage for large data sets or backups.

#Enclosures
#Hard Drive Accessories
#Computer Accessories & Peripherals
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#Electronics

Pros

  • The 10Gbps data transfer speed is ideal for quick backups and media-heavy workflows.
  • Tool-free, hot-swappable feature makes drive management convenient for users who frequently change drives.
  • Supports up to 120TB storage across four individual drives, offering large capacity for media professionals.
  • Compatible with Windows, Mac, and Linux, making it versatile for different system environments.
  • Quiet operation with noise levels under 21 dB(A) in standby, ideal for home offices or noise-sensitive settings.
  • Easy setup with no drivers required, allowing plug-and-play functionality for less tech-savvy users.

Cons

  • Some users report noticeable fan noise during heavy load, which can be disruptive in quiet environments.
  • The large storage capacity may be overkill for casual home users with modest storage needs.
  • Not the most portable option due to its bulky design, limiting its use for mobile setups.
  • Lacks more advanced features such as automated backups or software for monitoring drive health.
  • Users in tight spaces may find its 8.74 x 7.04 x 6.06-inch dimensions too bulky for compact setups.
  • The plastic material feels less durable compared to other metal-bodied enclosures, raising concerns about long-term wear.

Ratings

The scores for the TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure reflect comprehensive insights from verified global user reviews across multiple platforms and languages. Our analysis filtered out any spam, incentivized, or off-topic feedback, focusing only on authentic user experiences. While the device is praised for its speed and ease of use, some users have mentioned minor concerns such as fan noise under load. Both strengths and pain points are considered in the following ratings, providing an honest reflection of its performance in real-world use.

Data Transfer Speed
92%
Users are impressed with the lightning-fast 10Gbps data transfer rate. Many highlight how quickly they can move large files, which makes it ideal for data-heavy tasks like backups or editing large video files. The USB 3.2 Gen 2 interface ensures seamless, efficient performance even with high-demand workloads.
While most users are happy with the speed, some have expressed that they experienced occasional slowdowns during extended heavy use. For certain users, the device did not maintain its top speed in longer operations, especially with multiple drives in use simultaneously.
Ease of Setup
88%
The setup process is widely praised for being user-friendly and straightforward. No additional drivers are required, and many users appreciate the tool-free installation, which saves time. Plug-and-play functionality makes it perfect for both beginners and experienced users alike, without the need for complicated configurations.
A few users noted that while setup is simple, the documentation could be clearer for first-time users. Additionally, those with more complex systems sometimes had trouble optimizing their setup without additional technical support.
Cooling Efficiency
80%
20%
The intelligent, temperature-controlled fan does a great job of keeping the enclosure cool under normal use. Many users note that the device remains relatively quiet, with effective cooling even during extended operation, preventing any overheating issues.
Some users have found the cooling fan to be noisy under heavy load. The sound level can become more noticeable during long data transfers or when all four bays are in use, which can be bothersome in quiet environments or offices.
Build Quality
86%
The build quality is solid and durable, with the enclosure feeling sturdy and well-constructed. The plastic material is lightweight but strong, and users appreciate the compact design that doesn't take up too much space on their desks or workstations.
A small number of users mentioned that the plastic construction feels slightly less premium than metal alternatives. Though sturdy, it may not offer the same ruggedness or long-term durability as metal models, especially for users who need something more heavy-duty.
Noise Level Under Load
72%
28%
When the device is idle or under light use, it remains impressively quiet, with many users reporting that it stays below 21 dB(A) during standby. The fan's noise level in these conditions is practically inaudible, making it a good option for quiet workspaces.
However, when under heavy load or during long data transfers, the fan noise becomes noticeable. Some users have expressed dissatisfaction with the increased noise level, particularly in environments where quiet operation is a priority, such as home offices or studios.
Storage Capacity
95%
The expansive 120TB total storage capacity is a major selling point, with users highlighting its ability to support large amounts of data across four 30TB drives. For those working with high-volume storage tasks, this capacity makes it a powerful tool for backups, media storage, and archival.
While the 120TB capacity is impressive, some users feel that they don't need such large storage and would prefer a more affordable option with lower capacity. For average users, this might be an overkill, and it may not be the best option for those who don't need this much storage.
Tool-Free Drive Management
90%
Users appreciate the tool-free installation and hot-swappable feature, which significantly enhances convenience. The ability to swap drives easily without any tools or complex setups makes it much easier to manage and maintain drives, especially for users who need to replace or upgrade frequently.
Despite the ease of use, a few users mentioned that the drive bays could be a bit more secure to prevent accidental disconnections. Occasionally, the hot-swapping feature doesn't register smoothly, requiring a reboot or a manual check of the connections.
Reliability
89%
The product is generally praised for its reliability, especially when used for long periods without major issues. Users report consistent performance and appreciate the sturdy build that supports a variety of HDDs and SSDs without failure, even under high workloads.
A small number of users did encounter occasional connection issues, particularly when using older or less common hard drives. Some also noted that the system sometimes had difficulty recognizing drives after a power cycle, which led to brief interruptions in usage.
Compatibility
90%
The enclosure works seamlessly across multiple platforms, including Windows, Mac, and Linux, making it a versatile solution for diverse user needs. Many users appreciate the broad compatibility, allowing it to integrate smoothly into different operating environments without any hiccups.
Some users have reported minor issues when connecting to older operating systems or non-standard setups. While compatibility is generally good, a few had to perform extra configuration steps for certain software or devices to work optimally.
User Support
78%
22%
The customer support team is noted by some users as being responsive and helpful when issues arise. Many report quick resolution of basic troubleshooting queries and appreciate the availability of online resources for additional assistance.
However, some users felt that the support could be improved, particularly when dealing with more complex issues. Response times can sometimes be slow, and a few users reported that they had to escalate their cases to get meaningful help.
Value for Money
92%
For those needing large-capacity, high-speed storage, this device offers excellent value for money. Users often mention that the cost is well-justified by the performance, ease of use, and long-term utility, making it a great investment for professionals and tech enthusiasts alike.
While many find it to be a great value, some users believe the price is slightly high, especially for those who don't need the full 120TB capacity. The premium features might not be necessary for users with more modest storage needs, leading to questions about the overall cost-to-benefit ratio.
Design and Aesthetics
84%
The design is sleek and modern, fitting well into most home or office setups. Its compact footprint ensures it doesn’t take up too much space, while the black plastic finish gives it a clean, professional look that matches most other tech equipment.
Some users feel that the design could be more premium, especially considering the price. While functional, the plastic material doesn’t evoke the same high-end feel as metal alternatives, and a few users have expressed a preference for a more robust build.

Suitable for:

The TERRAMASTER D4-320 4-Bay USB 3.2 Gen 2 External Hard Drive Enclosure is an ideal solution for professionals and enthusiasts who require substantial, fast storage for data-heavy tasks. With support for up to 120TB across four drives, this device is especially suited for those working with large media files, such as video editors, photographers, or graphic designers. It’s also a great fit for users who need frequent drive swapping or replacement, as its tool-free and hot-swappable feature adds convenience. Small businesses or tech-savvy users who manage large backup systems or need to expand storage capacity will also find this device highly beneficial, as it allows for seamless integration into various setups across Windows, Mac, and Linux platforms.

Not suitable for:

While this external storage solution excels in many areas, it may not be the best choice for casual home users or individuals with modest storage needs. The large 120TB capacity is overkill for those who don’t require such extensive storage, making it a costly investment for everyday users. Additionally, while the device is easy to set up, some users reported noticeable fan noise during heavy use, which could be a concern for those in quiet office environments or small home setups. Those who prioritize compact designs or need a more portable solution may also find this product less suitable, as its design, though efficient, is not as travel-friendly or sleek as some smaller alternatives.

Specifications

  • Drive Bays: The enclosure features 4 drive bays, allowing for up to four individual drives to be installed.
  • Interface: Equipped with a USB 3.2 Gen 2 interface, providing high-speed data transfer up to 10Gbps.
  • Max Storage: Supports a maximum total storage capacity of 120TB, using four 30TB drives.
  • Hot-Swappable: Drives can be swapped without powering off, enabling easy upgrades or replacements.
  • Data Transfer Speed: Data transfer speeds can reach up to 10Gbps, ensuring fast reading and writing performance.
  • Max HDD/SSD Size: Supports HDDs and SSDs up to 30TB per disk, providing flexibility in storage expansion.
  • Noise Level: The enclosure operates at a noise level below 21 dB(A) in standby mode, ensuring quiet operation.
  • Cooling System: An intelligent, temperature-controlled fan ensures efficient heat dissipation during heavy use.
  • Tool-Free Installation: The enclosure supports tool-free installation, making it easy to insert or replace drives.
  • Compatibility: Compatible with Windows, Mac, and Linux, offering broad compatibility across platforms.
  • Dimensions: The enclosure measures 8.74 x 7.04 x 6.06 inches, making it compact for desktop use.
  • Weight: It weighs 1.3 lbs, making it lightweight and portable for easy relocation.
  • Material: Constructed from plastic, it offers a durable yet lightweight build.
  • Power Supply: The enclosure uses an external power adapter to support high-capacity drives.
  • Reading Speed: The maximum reading speed is 1025MB/s, facilitating fast access to stored data.
  • Writing Speed: Writing speed can reach up to 1016MB/s, ensuring quick data writing operations.
  • Drive Types Supported: Supports both HDDs and SSDs, offering flexibility for different storage needs.
  • Drive Installation Method: The enclosure allows for quick installation of drives without the need for additional tools.
  • Temperature Control: The fan is temperature-controlled, adjusting speed based on internal heat levels to maintain optimal performance.

FAQ

The device supports up to 120TB of storage across four individual drives, with each bay capable of housing up to a 30TB HDD or SSD.

Setup is easy and tool-free. Simply insert your drives, connect the enclosure to your computer using the provided USB 3.2 Gen 2 cable, and the device will be ready to use. No drivers are needed, and it’s compatible with Windows, Mac, and Linux systems.

Yes, the enclosure supports both HDDs and SSDs of various sizes, with a maximum capacity of 30TB per disk. This makes it a flexible solution for different storage needs.

Absolutely. The device features USB 3.2 Gen 2 support, offering data transfer speeds up to 10Gbps, making it ideal for tasks that require fast file transfers, such as media editing or large backups.

The enclosure operates quietly, with noise levels under 21 dB(A) during standby. However, some users have reported a slight increase in fan noise under heavy load, which may be noticeable in very quiet environments.

Yes, this device supports hot swapping, allowing you to replace or add drives without shutting it down, making it convenient for users who need to manage multiple drives without interrupting work.

Yes, the TERRAMASTER D4-320 is fully compatible with Windows, Mac, and Linux, allowing for seamless integration across various platforms without needing extra software or drivers.

To utilize the full 120TB capacity, you would need to install four 30TB drives. The enclosure can handle up to 120TB, but keep in mind that you’ll need drives that are each 30TB or smaller to fit within the storage limits.

A few users have reported that the fan can become noisy under heavy load, which might be distracting in quieter workspaces. Additionally, its bulky size makes it less portable compared to other smaller storage solutions.

To maintain the device, periodically check for dust accumulation in the fan area, as excessive dust can cause overheating. You can clean the exterior with a soft cloth and make sure the cooling fan is working properly to prevent excessive heat buildup.