Startech IT
StarTech.com Thunderbolt 3 to PCIe USB 3.1 Adapter - Chassis + 4 Port Card (bndtbusb3142)
- SKU:
- 20054279
- MPN:
- bndtbusb3142
- Availability:
- Out of stock
- Stock Update:
- 01/14/2026 01:37:19 PM PST
- Stock Update:
- 01/14/2026 01:37:19 PM PST
Description
This item is brand-new, factory sealed.
Connect your Thunderbolt™ 3 enabled computer to external USB 3.1 (Gen 2) devices using this Thunderbolt 3 to PCIe USB 3.1 adapter. Providing up to 10Gbps throughput, the adapter offers four USB 3.1 ports on two independent bus channels, an additional TB3 port, and a DisplayPort output. The adapter combines the StarTech.com USB 3.1 PCIe card (PEXUSB314A2V) and the TB3 chassis (TB31PCIEX16).
Faster USB performance
With two host controller chipsets, shared across two ports instead of four, this 4-port Thunderbolt 3 to USB 3.1 adapter dedicates up to 10Gbps for each set of two USB ports. It reduces performance bottlenecks and doubles your total available bandwidth to 20Gbps.
Increase productivity with Thunderbolt 3Thunderbolt 3 is the fastest connection available. By avoiding performance bottlenecks, you can accomplish more in the same amount of time. With 40Gbps of throughput and support for other high-performance PCIe cards, you can swap the card in and out, to add the peripherals you need connected to a Thunderbolt 3 desktop or laptop computer.
Install and assemble with easeRequiring only a Phillips type screwdriver, this Thunderbolt 3 to PCIe USB 3.1 adapter can be assembled and connected in minutes.
The TB31PCIEX16 and PEXUSB314A2V are backed by a StarTech.com 2-year warranty.
Features
- 1 x Thunderbolt 3 PCIe expansion box
- 1 x Thunderbolt 3 cable
- 4 x Rubber feet
- 1 x 4-port USB 3.1 card
- 1 x Universal power adapter
- 2 x Quick-start guides
Additional Information:
- Connector Type(s): 1 - PCI Express x4
- Internal Ports: 1 - SATA Power (15 pin); 1 - LP4 (4 pin; Large Drive Power); 1 - PCI Express x16
- External Ports: 2 - Thunderbolt™ 3 USB-C (24-pin) (40Gbps); 1 - DisplayPort (20 pin); 4 - USB 3.2 Type-A (9 pin, Gen 2, 10Gbps)
- Fan(s): Yes
- Fans: 1 - 92 mm
- Ports: 7
- Air Flow Rate: 14.06 CFM
- Noise Level: 24.55 dB
- Interface: Thunderbolt ; USB 3.2 Gen 2
- Bus Type: Thunderbolt 3; PCI Express
- Card Type: Standard Profile
- Port Style: Integrated on Card
- Industry Standards:
- Thunderbolt 3
- USB 3.1 Specification Rev. 1.0
- USB Specification Rev. 2.0
- PCI Express Base Specification Rev. 3.0
- Intel xHCI Specification Rev. 1.1
- UASP (USB Attached SCSI Protocol) Rev. 1.0
- Fan Bearing Type: Sleeve Bearing
- Chipset ID: Chassis: Intel - Alpine Ridge DSL6540 PCIe Card: ASMedia - ASM1142
Environmentally Friendly:
Yes
Application/Usage:
Desktop
Laptop
Environmental Compliance:
Restriction of Hazardous Substances (RoHS)
Waste Electrical and Electronic Equipment Directive (WEEE)
Certification:
- FCC
- CE
Specs
| Power Description | |
| Power Plug Type | Type N |
| Power Source Type | Power Adapter |
| Physical Characteristics | |
| Product Material |
|
| Weight (Approximate) | 3.60 lb |
| Length | 11" |
| Product Color | Black |
| Height | 3.2" |
| Width | 5.6" |
| Warranty | |
| Limited Warranty | 2 Year |
| Interfaces/Ports | |
| Host Interface | Thunderbolt 3 |
| DisplayPorts Quantity | 1 |
| General Information | |
| Brand Name | StarTech.com |
| Manufacturer Website Address | http://www.startech.com |
| Marketing Information | Connect your Thunderbolt™ 3 enabled computer to external USB 3.2 Gen 2 devices using this Thunderbolt 3 to PCIe USB 3.2 Gen 2 adapter. Providing up to 10Gbps throughput, the adapter offers four USB 3.2 Gen 2 ports on two independent bus channels, an additional TB3 port, and a DisplayPort output. The adapter combines the StarTech.com USB 3.2 Gen 2 PCIe card (PEXUSB314A2V) and the TB3 chassis (TB31PCIEX16). Faster USB performance With two host controller chipsets, shared across two ports instead of four, this 4-port Thunderbolt 3 to USB 3.2 Gen 2 adapter dedicates up to 10Gbps for each set of two USB ports. It reduces performance bottlenecks and doubles your total available bandwidth to 20Gbps. Increase productivity with Thunderbolt 3 Thunderbolt 3 is the fastest connection available. By avoiding performance bottlenecks, you can accomplish more in the same amount of time. With 40Gbps of throughput and support for other high-performance PCIe cards, you can swap the card in and out, to add the peripherals you need connected to a Thunderbolt 3 desktop or laptop computer. Install and assemble with ease Requiring only a Phillips type screwdriver, this Thunderbolt 3 to PCIe USB 3.2 Gen 2 adapter can be assembled and connected in minutes. The TB31PCIEX16 and PEXUSB314A2V are backed by a StarTech.com 2-year warranty. |
| Product Type | Expansion Chassis |
| Product Name | Thunderbolt 3 to PCIe USB 3.1 Adapter - Chassis + 4 Port Card |
| Manufacturer | StarTech.com |
| Manufacturer Part Number | BNDTBUSB3142 |
| Technical Information | |
| Connectivity Technology | Wired |
Warranty Information
