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One Stop Systems ExpressBox

Home Expansion Chassis One Stop Systems ExpressBox 1T - Thunderbolt 2 PCIe Expansion
3 Slot Thunderbolt 3 to PCIe Expansion (full-length)
One Stop Systems
Mac & Win
Electronic Download
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As low as $389.00

ExpressBox 3T-V3-eGPU Chassis

Thunderbolt™ 3 PCIe Expansion Chassis

Turn everyday laptops and desktops into powerful supercomputing workstations. The EB3T-V3 has been qualified with the following NVIDIA Quadro GPUs: GV100, P6000, P5000, and P4000 (GPU Not Included)

Breathe new life into your workflow

Connect an external high-end desktop Quadro GPU to your Thunderbolt 3-equipped laptop and harness the power of ISV-certified, high-performance professional graphics to dramatically accelerate your workflow. Work with large, complex designs, interactively render photorealistic imagery and perform computationally intensive simulations with ease. Or enhance your workflow with VR to explore your creations in the most compelling way possible.

EB3T-V3 Benefits:

  • Supports an NVIDIA Quadro GPU
  • Attach to Thunderbolt™ 3-enabled computer
  • Thunderbolt™ 3 features speeds up to 40Gbps
  • Fan and blower cooling for high-power GPUs


  • Easy Plug and Play installation
  • Hot-swappable cooling fan
  • Works with Windows 10 (RS2)
  • Blower assisted side vent
  • 400W power supply with (2) auxiliary power connectors
  • One meter 40Gb cable (Sold separately)
PCI Express Features
•       Supports one full-length card
•       One PCIe 3.0 x16 slot (x16 Electrical / x16 Mechanical / Thunderbolt3 Spec).
•       Slot 0 is the upstream slot; it is x16 lane connector, Gen3.  Thunderbolt 3 card is only x4 lane. The upstream slot will operate at x4 lane Gen 3.


EB3T-V3-eGPU  Features

•       High-speed Thunderbolt connection – Thunderbolt 3 40 Gbps. 

•       4 lanes of PCI Express Gen 3

•       Automatic power-up control by computer

•       One PCIe (x16) slot supporting full-length, full height, double-width card.

•       Accommodate standard and large sized graphics card.

•       Built-in 400W power supply to provided extra power to GPU.

•       PCIe x16 slot provides up to 75W of power.

•       Adjustable Fan-Speed Control.

•       Movable 8x8 cm fan cooler at enclosure's side.

•       15W power delivery to the host computer.

•       Easily removable top cover with a thumbscrew.

•       Includes two 8-pin (6+2 pin) auxiliary PCI-E power connectors.

•       Front LED Display-Power Indicator.



PCI Express Bus Specification Revision 3.0

PCI Express Bus Specification Revision 2.0
CableThunderbolt 3, 1 meter  40Gbs cable. Connector Type: USB-C

1 Upstream x16 slot

1 Downstream x16 slot
Host InterfaceThunderbolt3 (Single Port USB-C )
No. of PCIe SlotsOne PCIe 3.0 x16 (PCIe 3.0 x16 Electrical / x16 Mechanical )
Thunderbolt 3, Interconnect Bandwidth40 Gbs
Power DeliveryUp to 15W
Enclosure Dimension

Aluminum Chassis.

371(D) x 110(W) x 200(H) mm

14.6 (D) x 4.3 (W) x 7.87 (H) inch
System CoolingOne Replaceable 80 x80 x20 mm Cooling Fan
Front Fan Noise LevelMax 38.0 dB(A)
Power Supply OptionsSingle 400W PSU (High-Efficiency & Low Noise)
Input: 100-240 VAC/50-60 HZ
With two PCIe 6+2 pin & one 4 Pin auxiliary power cable
(Equivalent to 600W recommended system power from AMD)
Operating Temperature0 to 40C (32 to 104F)
Storage Temperature10 to 50C (14 to 122F)
Regulatory ComplianceFCC Class A Verified. CE. RoHS Compliant
Relative Humidity20 to 80% (non-condensing)
Thunderbolt 3,  Supported Operating SystemsMacOS 10.13 or higher (not supported 10.8 below) and Windows 10
GPU Supported


* NVIDIA is only supported on Windows 10 OS

* AMD works on Windows 10 and Mac OS 10.13+
System SupportMacBook Pro, iMac, iMac Pro with a Thunderbolt 3 port
Windows PC with a Thunderbolt 3 port
PCIe Card DriverThird-party PCIe card should support Mac OS with Thunderbolt-aware driver
PCIe card size SupportFull length (320mm), full height (120mm) , double-width PCIe card
Software / Driver

EB3T-V3-eGPU  requires no driver / software.  

*Thunderbolt Software is required for all Thunderbolt-equipped Windows PC laptops (provided by computer vendor).
Warranty1 year return to factory
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