StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant

StarTech.com StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant

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£283.99

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StarTech.com propose StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant chez 1 revendeurs. Utilisez notre comparateur pour le meilleur prix. Des 283,99 €.

Listed since 6 April 2026

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Description

THUNDERBOLT 3 PCIE EXPANSION CHASSIS: Add PCI Express support to a Thunderbolt 3/4 capable laptop / desktop computer; Increased productivity with Thunderbolt 3 and up to 40Gbps bandwidth; One external PCIe 3.0 x16 slot; Thunderbolt cable included. EXPANDABILITY FOR LAPTOPS: Integrate video capture cards, high-speed fiber / ethernet connectivity, NVMe drives, FireWire cards, and more to unlock the potential of a notebook using this Thunderbolt 3 to PCIe chassis; Toolless design; Aluminum build. 5K & 4K DISPLAY SUPPORT: Connect a display through the external PCIe enclosure; The DisplayPort and TB3 ports support various video outputs up to 4K/5K 60Hz (other video resolutions are also supported); PCIe Box does not support GPU graphic cards. ROBUST POWER: The chassis delivers 25W via the PCIe slot and the LP4 port on the other side of the unit supports up to 30W between the 12V and 5V rails.; 12V 5A (65W) universal power adapter is included and is compatible w/ NA/JP, UK, EU, and ANZ regions. COMPATIBILITY: Use single-width cards up to 8in (20.3cm) long; Built-in fan for active cooling; Daisy chain compatible with multiple TB3/4 devices; The chassis is driverless and is compatible with macOS, Windows; TAA-compliant. Add an external PCIe (PCI Express 3.0) x16 slot and a DisplayPort connection to your Thunderbolt 3 equipped MacBook or laptop. This Thunderbolt™3 PCIe expansion chassis lets you add a PCI Express card to your laptop or desktop computer, through an external Thunderbolt 3 connection. The chassis also features a DisplayPort video output, so you can connect an additional monitor to your laptop, and supports Thunderbolt 3 daisy chaining, so you can expand your workstation even further.. Expand the capabilities of your Thunderbolt 3 computer. The Thunderbolt 3 PCIe chassis makes it easy to expand your system with the capabilities you need to work at peak productivity. You can add many types of PCI Express cards, such as a PCIe USB 3.1/3.0/2.0 and USB-C, SSD, network, eSATA, FireWire or video capture cards. And, with the speed and bandwidth support of Thunderbolt 3 and PCIe 3.0, you can enjoy many of the same port additions you would from the PCI Express expansion slots of a desktop system.. Extend your workstation. The external PCIe enclosure features a dedicated DisplayPort output that lets you add an additional display to your laptop or desktop computer. The enclosure features a second Thunderbolt 3 (USB-C) port, that you can use to connect a secondary display (a USB-C video adapter may be required). With multiple extended displays, you can work more efficiently by multitasking faster, and avoid the hassle of continually repositioning several open windows or programs.. You can also use the second Thunderbolt 3 port to connect additional Thunderbolt, USB and DisplayPort devices to your system. You can daisy chain up to six Thunderbolt 3 devices and expand your workstation to suit your specific requirements.. Increase productivity with faster speeds. Thunderbolt 3 is the fastest connection available, which means you don't have to deal with the performance bottlenecks of a slower connection, and can accomplish more in the same amount of time.. At up to 40Gbps this Thunderbolt 3 expansion chassis gives you the throughput to add displays to your laptop, access files quickly, and work without disruptions. It's easy to access and edit large uncompressed files such as videos and images on the fly, making it ideal for dynamic on-site production.. The TB31PCIEX16 is backed by a StarTech.com 2-year warranty and free lifetime technical support.. The StarTech.com Advantage. Ports & interfaces. Thunderbolt 3 ports quantity. 2. DisplayPorts quantity. 1. Host interface. Thunderbolt 3. Connectivity technology. Wired. Network. Ethernet LAN. No. Performance. LED indicators. Power. Housing material. Aluminium, Steel. Rubber feet. Yes. Data transfer rate. 40 Gbit/s. Card reader integrated. No. Product colour. Black. Cooling. Maximum airflow. 14.06 cfm. Noise level. 24.55 dB. Fan diameter. 6 cm. Bearing type. Sleeve bearing. Number of fans. 1 fan(s). Built-in fan. Yes. Power. Compatible power plug types. AU, EU, JP, UK, US. Power plug type. Type N. Power consumption (typical). 65 W. Output voltage. 12 V. Output current. 5.417 A. Input current. 2 A. AC input voltage. 100 - 240 V. Power source type. DC. Software. Mac operating systems supported. Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura. Mac compatibility. Yes. Windows operating systems supported. Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Window

Full specifications

MarqueStarTech.com
Référence fabricanttb31pciex16
PCIE EXPANSION CHASSISAdd PCI Express support to a Thunderbolt 3/4 capable laptop / desktop computer
EXPANDABILITY FOR LAPTOPSIntegrate video capture cards
K DISPLAY SUPPORTConnect a display through the external PCIe enclosure
ROBUST POWERThe chassis delivers 25W via the PCIe slot and the LP4 port on the other side of
CompatibilitéUse single-width cards up to 8in (20.3cm) long

StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant: complete technical analysis for 2026

When it comes to Laptops, the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant by StarTech.com is a reference that savvy buyers know well. Its value for money in 2026 deserves particular attention, especially given its availability across many retailers and the brand's strength in the market. Our comparison tool lets you view all available offers in real time, with or without free delivery, and click directly on the offer of your choice.

Who is this Laptops for?

The StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant benefits from the expertise of StarTech.com in this category. Its design meets current market standards and satisfies even the most demanding users in their everyday activities. The brand's reliability translates into positive feedback from regular buyers, who particularly appreciate the consistency between the promises of the product sheet and the real-world experience. For the Laptops category, this is an option we recommend without hesitation. Also check Desktop PCs for closely related alternatives.

For intensive or occasional use

The StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant adapts to different levels of use in the Laptops category. Whether you use it intensively every day or more occasionally, this StarTech.com product offers appreciated versatility. Regular users value its reliability over time, while occasional users appreciate how easy it is to pick up without any special training. For even more demanding use, also check the StarTech.com Desk-Mount Monitor Arm with Laptop Stand - Full Motion - Articulating.

Against the competition

In the Laptops market, the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant is well positioned thanks to its price from £283.99 and the strength of StarTech.com. Our comparison tool lets you verify in real time whether this positioning still holds against other available offers. Broaden your comparison with the products available in Desktop PCs.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 1580 £
Mid-range1580 £ to 3680 £
High-endOver 3680 £

The best times to buy the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant at a lower price are Black Friday in November, the January sales and the summer sales in July. Our price history lets you judge whether the current price is a genuine bargain or whether it is worth waiting a few weeks. Outside these periods, flash promotions remain frequent among Compiral's partner retailers.

Frequently asked questions about StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant

How does the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant compare to competitors in the Laptops category?

In the Laptops category, the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant suitable for beginners?

Yes, the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant is generally appreciated by both beginners and regular users of the Laptops category. It is quick to set up and StarTech.com usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant?

Refurbished versions of the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

When do prices for the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant drop during the year?

Prices for the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Laptops category.

Is delivery free for the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant at all retailers?

Free delivery is not guaranteed for the StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure with One PCI Express Slot, PCIe Box for Laptops/Desktops/All-In-Ones, 5K/4K Output Via TB3/DP Ports, TAA Compliant at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

Highlights

Highlights

  • THUNDERBOLT 3 PCIE EXPANSION CHASSIS
  • EXPANDABILITY FOR LAPTOPS
  • 5K & 4K DISPLAY SUPPORT
  • ROBUST POWER
  • COMPATIBILITY

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