






⚡ Expand Your Workspace, Elevate Your Game
The StarTechcom Thunderbolt 3 PCIe Expansion Chassis is a sleek, driverless external enclosure that adds a single PCIe 3.0 x16 slot to Thunderbolt 3/4 laptops and desktops. It supports ultra-high-resolution 5K/4K displays at 60Hz, delivers up to 40Gbps bandwidth, and includes a universal 65W power adapter with active cooling. Compatible with macOS, Windows, and Linux, this TAA-compliant chassis unlocks professional-grade expandability for video capture, high-speed networking, and NVMe storage, making it an essential upgrade for power users on the go.



| Brand | StarTech |
| Product Dimensions | 27.94 x 14.22 x 8.13 cm; 1.62 kg |
| Item model number | TB31PCIEX16 |
| Manufacturer | StarTech.com |
| Series | Thunderbolt 3 PCIe Expansion Chassis with DisplayPort - PCIe x16 |
| Colour | Black |
| Hard Disk Description | thunderbolt 3 |
| Hard Drive Interface | USB-C |
| Graphics Card Interface | PCI-Express x16 |
| Number of USB 3.0 Ports | 1 |
| Wattage | 65 watts |
| Hardware Platform | Mac |
| Operating System | Windows® 7, 8, 8.1, 10, 11 macOS 10.12 - 10.15, 11.0, 12.0, 13.0, 14.0 |
| Are Batteries Included | No |
| Lithium Battery Weight | 7 Kilograms |
| Item Weight | 1.62 kg |
| Guaranteed software updates until | unknown |
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