Acasis USB4 40Gbps eGPU Dock - External GPU Enclosure & Quad-Display Hub (Thunderbolt 3/4 Compatible)

Bring desktop-class graphics to your laptop with the Acasis USB4 40Gbps eGPU Dock. Built on USB4/Thunderbolt technology, it delivers a PCIe connection for an external graphics card while adding high-speed I/O in a compact, all-metal chassis. Ideal for creators and gamers who need a portable performance boost or a clean desk setup with multiple external displays.

Highlights

• USB4 40Gbps host connection for high-bandwidth PCIe tunneling to your external GPU
• Thunderbolt 3/4 compatibility for broad laptop and desktop support
• External GPU (eGPU) support to accelerate video, 3D, and AI workloads*
• Multi-display ready via the graphics card’s HDMI/DisplayPort outputs
• Pro-grade build with a compact aluminum enclosure for better thermals and durability
• Travel-friendly design – small footprint, simple single-cable setup
• Product Doesn't Include the SFX Power Supply. "This box usually works without needing extra power. Most graphics cards will run just fine in it. But if you use a really hungry card that needs more energy, then you might have to plug in a power supply." - Click Here

What’s in the Box

• Acasis USB4 40Gbps eGPU Dock
• USB-C/USB4 host cable (where supplied)
• Screw package
• Quick start guide
• Please note: Product doesn't include the SFX Power Supply

Specifications

• Host Interface: USB4 (40Gbps); compatible with Thunderbolt 3/4
• GPU Interface: PCIe (external GPU installed by user; video outputs provided by the GPU)
• Displays: Number/resolution depends on the installed GPU’s ports and capabilities
• Chassis: Aluminum enclosure with efficient thermal design
• Power: (rating depends on GPU and regional PSU bundle). Power supply (PSU) is not included!  “This box usually works without needing extra power. Most graphics cards will run just fine in it. But if you use a really hungry card that needs more energy, then you might have to plug in a power supply.”
• Use Cases: Video editing, color grading, 3D/AI acceleration, gaming, multi-monitor productivity
• Product manual: PDF

Compatibility

• Hosts: Laptops/desktops with USB4 or Thunderbolt 3/4 ports
• Operating Systems: Windows recommended for eGPU acceleration
• macOS Note: eGPU acceleration support varies by Mac model and OS version; Apple silicon (M-series) Macs do not support external eGPU. This dock is not compatible with any M-series Mac.  
• eGPU acceleration works on Intel-based Macs with Thunderbolt 3 ports running macOS High Sierra 10.13.4 or later, including MacBook Pros (2016+), iMacs (2017+), and iMac Pros, but Apple Silicon Macs (M-series chips) do not support eGPUs
• Intel-based Macs may work depending on macOS/GPU/drivers.
• GPU Note: Check GPU size, power, and driver requirements against enclosure and OS support before purchase.

Product videos