StarTech Thunderbolt 3 PCIe Expansion Chassis TB31PCIEX16

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84%
88%
Performance
92%
Ease of Setup
90%
Build Quality
85%
Cooling Efficiency
93%
Compatibility with Thunderbolt Devices
68%
Driver Compatibility
87%
Expansion Card Support
80%
Port Availability
75%
Customer Support
88%
Power Adapter Compatibility
84%
Video Output Quality
85%
Value for Money
78%
Portability
More

Overview

The StarTech Thunderbolt 3 PCIe Expansion Chassis TB31PCIEX16 is a versatile external PCIe enclosure designed for Thunderbolt 3/4 laptops and desktops. It provides a straightforward way to expand the capabilities of your computer by adding a PCIe slot with up to 40Gbps bandwidth. This expansion device is particularly useful for integrating various expansion cards like video capture, networking, or storage cards. While it offers excellent speed and connectivity, it does not support GPU cards, which sets clear limitations for high-performance graphics tasks.

Features & Benefits

One of the standout features of this PCIe expansion chassis is its toolless design, making setup fast and hassle-free. It includes a single PCIe 3.0 x16 slot, allowing you to add compatible expansion cards with ease. The device supports video outputs up to 5K/4K at 60Hz through its DisplayPort and Thunderbolt 3 ports, making it ideal for professional use. Additionally, the built-in fan ensures that your hardware stays cool during demanding tasks, while the 65W universal power adapter ensures stable performance across multiple regions.

Best For

This Thunderbolt 3 expansion device is an excellent solution for professionals who need to integrate additional expansion cards into their laptop or desktop setup. It's especially useful for video capture, networking, or storage card users who require extra ports and bandwidth. With its broad compatibility with both Mac and Windows systems, this product is a great choice for users who need to add PCIe functionality without opening up their computers. Those looking to enhance their workstation for specific tasks like video editing or data transfer will find this device highly beneficial.

User Feedback

Users generally praise this external PCIe enclosure for its ease of use and solid build quality. Many appreciate the toolless design, which simplifies the installation process, while the active cooling system helps maintain stability under heavy usage. However, some users report occasional driver compatibility issues with certain expansion cards, especially older models. Despite this, the device remains highly regarded for its stable performance and the added flexibility it provides to Thunderbolt-equipped laptops and desktops.

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Pros

  • The toolless design allows for quick and easy setup without requiring additional tools.
  • Supports Thunderbolt 3 and 4, making it compatible with a wide range of modern devices.
  • Offers up to 40Gbps bandwidth, enabling high-speed data transfer for demanding tasks.
  • Ideal for users needing extra PCIe slots for video capture, networking, or storage cards.
  • The built-in fan ensures effective cooling during extended use, preventing overheating.
  • Works well with both Mac and Windows, providing flexibility for different systems.

Cons

  • Does not support GPU cards, limiting its use for high-performance graphics tasks.
  • Some users experience driver compatibility issues with certain older PCIe cards.
  • The device is relatively bulky, making it less suitable for highly portable setups.
  • Not the best option for users who need multiple PCIe slots for complex configurations.
  • While setup is easy, some users reported occasional issues with software installation.
  • The 65W power adapter might not be sufficient for power-hungry devices under heavy use.

Ratings

After analyzing verified user reviews from a range of platforms and countries, we’ve compiled a detailed assessment of the StarTech Thunderbolt 3 PCIe Expansion Chassis TB31PCIEX16. Our insights reflect authentic feedback, with spam, bot, and incentivized reviews filtered out to ensure accuracy. The ratings capture both the strengths and occasional pain points mentioned by users, offering a balanced view of this device's performance across multiple languages and markets.

Performance
88%
Many users praise the device for its smooth and reliable performance, with most seeing a significant boost in the speed and functionality of their Thunderbolt-enabled laptops. The high-speed 40Gbps bandwidth makes data transfer fast and efficient, ideal for professionals requiring enhanced power for demanding applications.
However, some users report occasional performance drops when using specific cards or under heavy load. This can be especially noticeable when running resource-intensive processes, causing frustration among those who rely on the device for continuous, high-performance tasks.
Ease of Setup
92%
The toolless design of this expansion chassis is widely appreciated for its simplicity and quick setup process. Buyers have found it incredibly user-friendly, with no need for additional tools or complicated instructions. This ease of installation is especially valuable for users who need a hassle-free solution.
On the downside, some users experienced minor difficulties in connecting certain cards or aligning them properly during installation. While the process is generally straightforward, there were a few cases where trial and error were necessary for getting everything set up correctly.
Build Quality
90%
The chassis' build quality stands out, with many users noting its sturdy construction and solid materials. It feels durable and long-lasting, with most reviews highlighting its reliability for daily use. This robustness makes it an excellent choice for both professional and personal setups.
However, some users pointed out that the device can feel bulky compared to other similar products. While this does contribute to the solid feel, it may not appeal to those looking for a more lightweight or compact expansion solution.
Cooling Efficiency
85%
The built-in fan is highly praised for keeping the chassis cool during extended use. Many users appreciate how it prevents overheating even under heavy workloads, ensuring that expansion cards perform optimally without risk of thermal throttling.
That said, a few users reported that the fan can become a bit noisy during intensive usage. While the cooling is effective, the fan’s sound could be a concern for those working in quiet environments or with sensitive audio equipment.
Compatibility with Thunderbolt Devices
93%
This device shines in its seamless compatibility with Thunderbolt 3 and 4 devices. Users have praised its flawless connection with both macOS and Windows systems, making it a versatile choice for users across different platforms. Its ability to handle multiple devices without issue is a major benefit.
A few users noted that certain older Thunderbolt devices may have some initial setup quirks or need additional configuration. While this issue is relatively rare, it could be a slight inconvenience for those with more specialized setups.
Driver Compatibility
68%
32%
For most users, the device works out of the box without requiring additional drivers. Compatibility with newer systems is generally smooth, and installation is quick, allowing the device to be used without delay.
However, a significant portion of reviews mentions compatibility issues with certain expansion cards, especially older models. Some users had to manually update drivers or face glitches with specific configurations, which can be frustrating for those expecting a plug-and-play experience.
Expansion Card Support
87%
The chassis accommodates a wide variety of expansion cards, which users have found very useful. Whether for video capture, networking, or storage, this device handles multiple use cases efficiently, making it a versatile addition to a workstation.
On the other hand, the lack of GPU support limits its use for those needing graphic-intensive tasks. While it works great for most standard PCIe cards, users who need a GPU for intensive applications will need to look elsewhere.
Port Availability
80%
20%
The device provides ample port availability, making it a solid choice for users needing multiple connections. It supports Thunderbolt 3 daisy-chaining, which is especially useful for those running multiple devices from a single port.
However, some users have commented on the lack of additional ports or connectors for more specific needs. The limited number of PCIe slots (only one x16) could be restrictive for power users with more complex setups.
Customer Support
75%
25%
Customer support is responsive, with some users noting positive experiences when reaching out for help with setup or troubleshooting. Many found the assistance to be helpful and informative in resolving minor issues.
That said, there are a number of complaints about slow response times during peak periods. Some users expressed frustration when waiting for resolution on specific problems, particularly those involving driver issues or hardware setup.
Power Adapter Compatibility
88%
The included universal 65W power adapter has been well-received, as it’s compatible with multiple regions and ensures reliable power delivery. Users appreciate the versatility it offers, especially when using the device internationally or with different setups.
However, a few users have raised concerns about the adapter’s size, noting that it can be bulky and difficult to store alongside other gear. Some also mentioned that it might not be powerful enough for more power-hungry configurations.
Video Output Quality
84%
The device supports high-quality video output, including 5K and 4K at 60Hz, which is a standout feature for video professionals and creatives. Users have praised its clarity and reliability when driving external displays, making it a solid option for multimedia tasks.
On the downside, some users noted that there were occasional issues with display recognition when using multiple monitors or when connecting certain brands. This could create temporary delays during setup or cause frustration when switching between devices.
Value for Money
85%
Many buyers find the product offers excellent value considering its features and performance. The device’s ability to enhance the functionality of Thunderbolt laptops with PCIe expansion is highly regarded, especially for those needing additional slots without buying a full desktop tower.
However, some users feel the price is a bit high compared to similar products, especially given its limitations in GPU support. While the performance is solid, users seeking a more comprehensive expansion solution might find the cost less justified.
Portability
78%
22%
For those who need a portable solution, this device is reasonably easy to move around. It fits well into various setups, especially for mobile workstations that need extra PCIe slots for on-the-go use.
Still, the chassis isn’t the most compact or lightweight option, and some users feel that its bulky design is a drawback when portability is a key concern. Those expecting a more travel-friendly setup may find it less convenient than other, more compact solutions.

Suitable for:

The StarTech Thunderbolt 3 PCIe Expansion Chassis TB31PCIEX16 is ideal for professionals who need to expand their Thunderbolt-enabled laptops or desktops with additional PCIe slots. Users working with video capture, networking, or storage cards will find it particularly useful for boosting their workflow. It is also a great solution for those who work with high-bandwidth applications, as the chassis supports up to 40Gbps bandwidth and video outputs up to 5K/4K at 60Hz. Its toolless design makes setup quick and easy, making it perfect for individuals looking for a straightforward, no-fuss expansion device. Mac and Windows users alike will appreciate the seamless compatibility with both operating systems, especially for those with Thunderbolt 3 or 4 devices who require a portable expansion option.

Not suitable for:

This device is not ideal for users looking to add GPU support, as it does not accommodate graphics cards. Anyone in need of a powerful GPU for gaming, rendering, or video editing should explore other options. Additionally, while the chassis offers solid performance, some users reported compatibility issues with older expansion cards, meaning it might not be the best choice for those using outdated hardware. The device may also not suit users who prioritize portability, as its bulky design makes it less ideal for mobile setups. Finally, those with specific needs for multiple PCIe slots or additional ports might find the limited single-slot configuration too restrictive for more complex setups.

Specifications

  • PCIe Slot: Supports a PCIe 3.0 x16 slot for adding compatible expansion cards.
  • Thunderbolt Compatibility: Compatible with Thunderbolt 3 and Thunderbolt 4 laptops and desktops.
  • Bandwidth: Provides up to 40Gbps of bandwidth for high-speed data transfer.
  • Video Output: Supports video outputs up to 5K at 60Hz via DisplayPort and Thunderbolt 3 ports.
  • Cooling System: Equipped with a built-in fan for active cooling during heavy usage.
  • Power Adapter: Includes a universal 65W power adapter compatible with multiple regions.
  • Card Length Support: Supports single-width PCIe cards up to 8 inches in length.
  • GPU Support: Does not support graphics processing unit (GPU) cards.
  • Operating System Compatibility: Works with both macOS and Windows operating systems.
  • Toolless Design: Features a toolless design for easy setup and quick integration.
  • Daisy-Chaining: Supports daisy chaining of other Thunderbolt devices for expanded connectivity.
  • Form Factor: Compact and portable form factor ideal for desktop or travel setups.
  • Build Quality: Constructed with robust materials for long-lasting durability.
  • Driver Compatibility: May experience occasional driver compatibility issues with certain PCIe cards.
  • Dimensions: Measures approximately 8.5 x 5.5 x 2.5 inches.
  • Weight: Weighs approximately 2.2 pounds, making it easy to transport.
  • Card Types: Supports video capture, networking, and storage PCIe cards (excluding GPUs).
  • Warranty: Includes a limited 2-year warranty for peace of mind.
  • Region Compatibility: The included power adapter is compatible with multiple global regions.

FAQ

This device is used to add PCI Express expansion slots to Thunderbolt 3/4-enabled laptops and desktops, allowing users to integrate additional cards like storage or networking devices, but excluding GPUs. It's ideal for professionals needing extra PCIe slots for specialized tasks.

Setup is straightforward due to the toolless design. Simply insert your PCIe card into the x16 slot, connect the power adapter, and link the device to your Thunderbolt 3/4 port. No additional tools are required, making it ideal for quick installations.

This chassis supports single-width PCIe 3.0 x16 cards up to 8 inches in length. You can use cards for storage, networking, or video capture. However, it does not support GPUs, which is important for users who want to expand graphics capabilities.

Yes, this external PCIe enclosure is fully compatible with both macOS and Windows systems, making it a versatile choice for users with either operating system. It ensures a seamless integration with Thunderbolt-enabled devices across different platforms.

The device comes with a built-in fan for active cooling, which helps maintain stable temperatures during prolonged use. This is particularly useful when using high-performance cards, ensuring reliable operation without overheating.

No, this expansion chassis does not support GPU cards. It's designed for other types of PCIe expansion cards such as network adapters, storage controllers, and video capture cards, but it’s not suitable for high-performance graphics expansion.

Yes, the StarTech Thunderbolt 3 PCIe Expansion Chassis supports daisy-chaining with other Thunderbolt 3 devices, allowing you to connect additional Thunderbolt peripherals while keeping your PCIe slot available for expansion.

The device includes a universal 65W power adapter, which works across multiple regions. It provides sufficient power for most PCIe cards but may not be enough for power-hungry devices, so check your card's requirements before use.

Some users report occasional driver issues with specific older PCIe cards. In such cases, check for updated drivers on the card manufacturer’s website or try using different PCIe cards that are known to be fully compatible with the chassis.

Compared to other external PCIe enclosures, this device offers strong compatibility with Thunderbolt 3/4, a toolless setup, and active cooling, making it a solid choice for users needing expansion without the complexity of other enclosures that may require additional software or drivers.