
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
From
£283.99
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
Compare prices
Description
Full specifications
| Marque | StarTech.com |
| Référence fabricant | tb31pciex16 |
| PCIE EXPANSION CHASSIS | Add PCI Express support to a Thunderbolt 3/4 capable laptop / desktop computer |
| EXPANDABILITY FOR LAPTOPS | Integrate video capture cards |
| K DISPLAY SUPPORT | Connect a display through the external PCIe enclosure |
| ROBUST POWER | The chassis delivers 25W via the PCIe slot and the LP4 port on the other side of |
| Compatibilité | Use 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
| Range | Indicative price |
|---|---|
| Entry-level | Under 1580 £ |
| Mid-range | 1580 £ to 3680 £ |
| High-end | Over 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
Similar products

Entity
Entity Book 14 Home Intel® Celeron® N N4020 14" HD Laptop, 4GB RAM 128GB SSD, Windows 11 Home
From
£177.99

Panasonic
Panasonic FZ-VZSU1HU laptop spare part Battery
From
£169.99

V7
V7 UDDS2 laptop dock/port replicator Docking USB 2.0 Black
From
£166.99

StarTech.com
StarTech.com Universal Laptop Docking Station, Hybrid USB-C & USB-A Dock, Dual 4K DP & HDMI, 100W PD, Mac / Windows / Chrome OS, 4x USB 5Gbps Hub, GbE
From
£165.99
