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Product Description
Sonnet Breakaway Box 850 T5 – Thunderbolt 5 eGPU System
Desktop-class GPU power, now plug-and-play.
Unleash serious compute and graphics acceleration with a single Thunderbolt 5 cable — for creative pros, AI developers, and next-gen gamers. Note: Graphic card not included.
The Sonnet Breakaway Box 850 T5 is a Thunderbolt™ 5 eGPU enclosure designed to supercharge Thunderbolt 5, 4, and USB4 Windows 11 computers. It supports triple-wide high-performance GPUs — including the latest NVIDIA and AMD cards — and delivers up to 80Gbps bi-directional PCIe bandwidth for pro-level video editing, AI workloads, and gaming. With an integrated Thunderbolt 5 dock, 850W power supply, and ultra-quiet thermal design, this eGPU gives your system serious performance headroom. Whether you're creating, training LLMs, or gaming at 4K, the Breakaway Box 850 T5 is built for what's next.
Product Highlights
- Thunderbolt™ 5 eGPU enclosure with up to 80Gbps PCIe bandwidth
- Compatible with NVIDIA RTX 50/40/30 and AMD RX 9000/7000/6000 Series
- Supports triple-wide GPU cards and includes 850W PSU
- Built-in Thunderbolt 5 dock with USB‑A (10Gbps) and 5Gb Ethernet ports
- Perfect for video editing, AI workflows, LLM apps, and 4K gaming
- 2-year Warranty
- Please refer to the Compatibility Tab and verify compatibility with your device or cards before purchase.
Specifications
- Part Number: GPU-850T5
- Warranty: 2-year
- Form Factor: Desktop external GPU system
- Thunderbolt 5 Computer Port: Provides 100W laptop charging
- Thunderbolt Peripheral Port: Passes through host port capabilities, Power 15W
-
USB 3.2 Gen 2 Type A Ports:
Peripherals Supported: USB 3, USB 2.0, USB 1.1, and USB hubs
Data Transfer Rates: USB 3.2 Gen 2 (10 Gbps) -
RJ45 (Ethernet) Port:
5GbE Controller: Realtek RTL8157
Network Support: 100 meters using Cat 5e [or better] cabling
Standard: Compliant with 802.3bz-2016 and 10/100/1000 IEEE 802.2 specifications
Packets: Maximum packet size: 16352 bytes (Jumbo Frames)
Data Rates Supported: 5 Gbps, 2.5 Gbps, 1 Gbps, 100 Mbps - Thunderbolt 5 Controller: Intel JHL9580
- Power Supply: Universal 850W, 100-240V AC, 50-60 Hz
- Standby Power: 9.5W (sleep)/8W (idle)
- Operating Temperatures: 0˚C to 35˚C (32˚F to 95˚F)
- Dimensions (WxDxH): 8.3 x 15.6 x 9.6 in. (21 x 39.6 x 24.5 cm)
- Weight: 14.2lbs. (6.4 kg)
-
Compliance: RoHS 3 (Directive 2015/863)
IEC62368-1 and IEC62368-2 Safety -
Package Contents:
Breakaway Box 850 T5 Enclosure
Region-specific power cable
0.8-meter Thunderbolt 5 cable
Quick Start Guide - PDF
External Graphics Setup and Usage Guide - PDF -
Technical Notes:
Check with your computer manufacturer whether your USB4 computer supports an eGPU. More info available in the External Graphics Setup and Usage Guide.
Compatibility
-
Windows Compatibility:
Windows computer with a Thunderbolt 5 or 4 port
Windows computer with a USB4 port(1)
Windows 11 2024H2 or newer
- Mac Compatibility
- Compatible with most non-GPU PCIe cards up to 345 × 155 × 70 mm (triple-wide max). Requires a Thunderbolt 4 or 5 host system.
- eGPU (graphic cards) are not Compatible with Apple Mac M series computers! Latest Macs with M chips and Thunderbolt 5/USB4 ports do not support external GPU solutions.
-
GPU Card Compatibility:
Cards: NVIDIA GeForce RTX 50, 40, or 30 series
AMD Radeon RX 9000, 7000, or 6000 series
Size: Triple-wide GPU card, not exceeding 350 mm x 190 mm x 74 mm in any dimension
Power Connectors: Three 8-pin or one 16-pin (12VHPWR)
Product videos
Shipping, Returns & VAT
- Free UK Shipping: Delivered in approx. 2 working days
- Express Options: Faster methods available at checkout
- Free Shipping to Ireland: For orders over £100.00
- International Delivery: Times vary by destination; shipped via FedEx or DHL
- 30-Day Returns: Return within 30 days from order date
- UK, Ireland and EU Customers: Free return label provided
- Full Return Policy: Read Here
- Full Shipping Details: Read Here
VAT & Duties Information
UK & EU Customers: The price shown on our website is the final price you pay. No additional VAT, customs duties, or import fees will be charged upon delivery.
Orders are dispatched from Northern Ireland, allowing us to serve customers across the United Kingdom and the European Union without unexpected import charges.
Non-UK and non-EU destinations: Local taxes, customs duties, and import fees may apply and are the responsibility of the recipient.
Payment
Safe payment on our website.
Pay by card, Klarna, PayPal, Apple Pay, G-Pay, Shop Pay, Revolut, Bancontact, iDeal, or even bank transfer.
Customer Service
Email and chat available 24/7
Free number UK: 08001954072
International: +442838341148
Phone Line Opening Hours
- Monday - Friday: 09:00-17:00
Sonnet Breakaway Box 850 T5 – Thunderbolt 5 eGPU Enclosure
Sonnet Breakaway Box 850 T5 – Thunderbolt 5 eGPU System
Desktop-class GPU power, now plug-and-play.
Unleash serious compute and graphics acceleration with a single Thunderbolt 5 cable — for creative pros, AI developers, and next-gen gamers. Note: Graphic card not included.
The Sonnet Breakaway Box 850 T5 is a Thunderbolt™ 5 eGPU enclosure designed to supercharge Thunderbolt 5, 4, and USB4 Windows 11 computers. It supports triple-wide high-performance GPUs — including the latest NVIDIA and AMD cards — and delivers up to 80Gbps bi-directional PCIe bandwidth for pro-level video editing, AI workloads, and gaming. With an integrated Thunderbolt 5 dock, 850W power supply, and ultra-quiet thermal design, this eGPU gives your system serious performance headroom. Whether you're creating, training LLMs, or gaming at 4K, the Breakaway Box 850 T5 is built for what's next.
Product Highlights
- Thunderbolt™ 5 eGPU enclosure with up to 80Gbps PCIe bandwidth
- Compatible with NVIDIA RTX 50/40/30 and AMD RX 9000/7000/6000 Series
- Supports triple-wide GPU cards and includes 850W PSU
- Built-in Thunderbolt 5 dock with USB‑A (10Gbps) and 5Gb Ethernet ports
- Perfect for video editing, AI workflows, LLM apps, and 4K gaming
- 2-year Warranty
- Please refer to the Compatibility Tab and verify compatibility with your device or cards before purchase.
- Part Number: GPU-850T5
- Warranty: 2-year
- Form Factor: Desktop external GPU system
- Thunderbolt 5 Computer Port: Provides 100W laptop charging
- Thunderbolt Peripheral Port: Passes through host port capabilities, Power 15W
-
USB 3.2 Gen 2 Type A Ports:
Peripherals Supported: USB 3, USB 2.0, USB 1.1, and USB hubs
Data Transfer Rates: USB 3.2 Gen 2 (10 Gbps) -
RJ45 (Ethernet) Port:
5GbE Controller: Realtek RTL8157
Network Support: 100 meters using Cat 5e [or better] cabling
Standard: Compliant with 802.3bz-2016 and 10/100/1000 IEEE 802.2 specifications
Packets: Maximum packet size: 16352 bytes (Jumbo Frames)
Data Rates Supported: 5 Gbps, 2.5 Gbps, 1 Gbps, 100 Mbps - Thunderbolt 5 Controller: Intel JHL9580
- Power Supply: Universal 850W, 100-240V AC, 50-60 Hz
- Standby Power: 9.5W (sleep)/8W (idle)
- Operating Temperatures: 0˚C to 35˚C (32˚F to 95˚F)
- Dimensions (WxDxH): 8.3 x 15.6 x 9.6 in. (21 x 39.6 x 24.5 cm)
- Weight: 14.2lbs. (6.4 kg)
-
Compliance: RoHS 3 (Directive 2015/863)
IEC62368-1 and IEC62368-2 Safety -
Package Contents:
Breakaway Box 850 T5 Enclosure
Region-specific power cable
0.8-meter Thunderbolt 5 cable
Quick Start Guide - PDF
External Graphics Setup and Usage Guide - PDF -
Technical Notes:
Check with your computer manufacturer whether your USB4 computer supports an eGPU. More info available in the External Graphics Setup and Usage Guide.
-
Windows Compatibility:
Windows computer with a Thunderbolt 5 or 4 port
Windows computer with a USB4 port(1)
Windows 11 2024H2 or newer
- Mac Compatibility
- Compatible with most non-GPU PCIe cards up to 345 × 155 × 70 mm (triple-wide max). Requires a Thunderbolt 4 or 5 host system.
- eGPU (graphic cards) are not Compatible with Apple Mac M series computers! Latest Macs with M chips and Thunderbolt 5/USB4 ports do not support external GPU solutions.
-
GPU Card Compatibility:
Cards: NVIDIA GeForce RTX 50, 40, or 30 series
AMD Radeon RX 9000, 7000, or 6000 series
Size: Triple-wide GPU card, not exceeding 350 mm x 190 mm x 74 mm in any dimension
Power Connectors: Three 8-pin or one 16-pin (12VHPWR)