Product Type | Thunderbolt 3 to PCIe Expansion Chassis |
Form Factor | External chassis |
Model Number | TB31PCIEX16 |
Power Device Type | AC adapter |
Power Provided | 65 Watt |
Power Input Voltage | 100 - 240V AC |
Power Output via PCIe Slot | 25 Watt |
Power Output via LP4 Connector | Up to 30 Watt between 12V and 5V rails |
Power Adapter Type | 12V 5A universal power adapter |
Power Adapter Compatibility | NA/JP, UK, EU, ANZ |
Included Accessories | Thunderbolt 3 cable, power adapter |
Warranty | 2 Years |
StarTech TB31PCIEX16 Thunderbolt 3 PCIe Expansion Chassis





Key Benefits

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- Enables professional-grade expandability for Thunderbolt-enabled laptops with PCIe 3.0 x16 slot
- Built-in DisplayPort integration supports high-resolution displays up to 5K at 60Hz, ideal for multimedia workflows
- TAA-compliance and cross-platform driverless compatibility meet the needs of enterprise and government deployments
Product Overview
Add an external PCI Express 3.0 x16 slot and a DP connection to a Thunderbolt 3 MacBook or laptop - Add a PCIe card such as an, SSD, Ethernet, Fiber, video capture, USB, FireWire, or eSATA card to a Thunderbolt 3 laptop - Thunderbolt 3 to PCIeSpecifications
Product Overview
Wireless Features
Wireless Support |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
RoHS Compliance | Yes |
Advanced Security Features
Security Features |
Interfaces
Host Interface | Thunderbolt 3 (USB-C) |
Thunderbolt Ports | 1 x Thunderbolt 3 |
PCIe Slot Interface | PCI Express 3.0 x16 (x4 mode) |
Display Output | 1 x DisplayPort |
Data Transfer Rate | Up to 40Gbps via Thunderbolt 3 |
Expansion Slot Count | 1 PCIe slot |
Supported PCIe Card Length | Up to 8 inches (20.3 cm) |
Daisy Chain Support | Yes, via Thunderbolt 3/4 |
Physical & Environmental
Color | Black |
Material | Aluminum |
Toolless Design | Yes |
Cooling | Built-in fan for active cooling |
Width | 5.6 inch (142.2 mm) |
Depth | 11.0 inch (279.4 mm) |
Height | 3.2 inch (81.3 mm) |
Operating System Compatibility | macOS, Windows, Linux |
GPU Compatibility | Not compatible with GPU graphic cards |
Operating Temperature Range | 0°C to 40°C (32°F to 104°F) |
Storage Temperature Range | -10°C to 65°C (14°F to 149°F) |
Operating Humidity | 10% to 90% RH non-condensing |
Cloud Management & Licensing
Driver Requirement | Driverless |
Software Requirement | None |