Sonnet Breakaway Box 850 T5 eGPU Expansion System

Desktop-Class Graphics for Any Laptop

The Sonnet Breakaway Box 850 T5 is a Thunderbolt 5 eGPU expansion enclosure that transforms your Windows 11 notebook or small-form-factor computer into a near-desktop graphics powerhouse. By adding your choice of high-performance GPU, you unlock workstation-grade rendering, smooth 4K gaming, and accelerated AI workloads — all through a single Thunderbolt 5 cable. With triple-width GPU support, 850 W of power, and whisper-quiet cooling, this system delivers professional performance without compromise.

Unleash Real GPU Power
Many laptops rely on integrated or low-power GPUs that struggle with demanding creative applications. The Breakaway Box 850 T5 bridges that gap — letting you install an NVIDIA GeForce RTX 50/40/30 Series or AMD Radeon RX 9000/7000/6000 Series card and harness full desktop power. Connect it to your Thunderbolt 5, Thunderbolt 4, or USB4 Windows 11 system, and instantly accelerate video editing, 3D rendering, colour grading, VFX, and complex AI tasks.

AI-Driven Workflows, Locally and Securely
Run Large Language Models like LM Studio, Ollama, or GPT4All directly on your hardware - no subscriptions, no cloud latency, and full data privacy. Generate and process AI images with Stable Diffusion or Flux.1, and accelerate audio intelligence tools such as VoiceCraft, Krisp, and Ace-Step for noise reduction, speech synthesis, and music generation. The 850 T5 turns any compact PC into a local AI workstation.

Gaming Without Limits
When it’s time to play, the Breakaway Box 850 T5 transforms your setup into a high-performance gaming rig. Connect your external GPU and output to up to four monitors — or use your laptop’s built-in display — for immersive, ultra-smooth gameplay. Because the GPU is upgradeable, you can always stay current with the latest generation of graphics hardware, extending your laptop’s gaming life for years to come.

Next-Gen Thunderbolt 5 Speed
With up to 80 Gbps of bi-directional PCIe bandwidth, Thunderbolt 5 doubles the throughput of Thunderbolt 4 — giving you desktop-grade performance from a single connection. The built-in Thunderbolt 5 dock expands your connectivity, providing additional ports, Ethernet, and USB 3.2 Gen 2 for a complete high-speed workstation.

Built for Power, Cooling, and Expansion
Inside the 850 T5 is a robust 850 W power supply ready for today’s most demanding GPUs - and tomorrow’s. Its large variable-speed fan ensures quiet, efficient cooling under load, so you can work or record in noise-sensitive environments. With space for triple-width cards up to 350 mm long, the Breakaway Box 850 T5 supports high-end GPUs that many gaming laptops simply can’t.

Connectivity Without Compromise
The integrated Thunderbolt 5 dock extends your computer’s I/O with:
1 × Thunderbolt 5 peripheral port – connect an additional Thunderbolt 5/4/3 or USB-C device.
3 × USB 3.2 Gen 2 (10 Gbps) Type A ports – ideal for fast SSDs, gaming peripherals, or bus-powered devices.
1 × 5 Gbps Ethernet port – five times faster than standard Gigabit Ethernet, compatible with existing Cat 5e cabling.
All this through a single Thunderbolt cable to your computer.

Quiet. Cool. Reliable.
Thanks to precision temperature control, the Breakaway Box 850 T5 stays whisper-quiet even during heavy GPU loads. Its intelligently tuned airflow keeps your graphics card cool and stable - perfect for studios, offices, and live production environments.

Main features:

• Thunderbolt 5 eGPU enclosure for Windows 11 computers (Thunderbolt 5, 4, USB4 compatible)
• 80 Gbps bi-directional bandwidth for GPU-accelerated workflows
• Supports triple-width GPUs (up to 350 mm × 190 mm × 74 mm)
• 850 W power supply with support for up to 3 × 8-pin or 1 × 16-pin (12-pin adapter included)
• Built-in Thunderbolt 5 dock with:
• • 1 × Thunderbolt 5 peripheral port• 3 × USB 3.2 Gen 2 (10 Gbps) Type A ports• 1 × 5 Gbps Ethernet (RJ45) port
• Variable-speed, temperature-controlled fan for near-silent cooling
• Thunderbolt Certified for guaranteed compatibility
• 2-year warranty + lifetime technical support
  

Tech Specs:

• Computer Connectivity: Thunderbolt 5 / Thunderbolt 4 / USB4
  
• PCIe Bandwidth: Up to 80 Gbps bi-directional
  
• Power Supply: 850 W
  
• GPU Size Support: Up to 350 mm (L) × 190 mm (H) × 74 mm (W)
  
• Cooling: Variable-speed temperature-controlled fan
  
• Ethernet: 5 Gbps (RJ45)
  
• USB Ports: 3 × USB 3.2 Gen 2 (10 Gbps) Type A
  
• Dimensions (W×D×H): 21 × 40 × 25 cm (8.3 × 15.6 × 9.6 in.)
  
• Weight: 6.4 kg (14.2 lb)
  
• Package Includes: Breakaway Box 850 T5 enclosure, region-specific power cable, 0.8 m Thunderbolt 5 cable
  
• Warranty: 2 years (w/ lifetime tech support)
  
• Discover Sonnet Technologies with eGPU Expansion Systems [850 T5]: https://www.sonnettech.com/product/breakaway-box-850t5/overview.html