Sonnet eGFX Breakaway Box with 550W Power Supply

BH #SOGPU550WTB3 • MFR #GPU-550W-TB3
Sonnet eGFX Breakaway Box with 550W Power Supply
Key Features
  • 1 x PCIe 3.0 x16 Slot
  • Thunderbolt 3 Connectivity
  • Built-in 550W Power Supply
  • Two 8-Pin PCIe Connectors
Upgrade your Thunderbolt 3-equipped notebook's graphical capabilities with the eGFX Breakaway Box from Sonnet. The eGFX Breakaway connects to notebooks and ultra-compact desktops via a Thunderbolt 3 connection to provide one PCIe 3.0 x16 slot, so you can install a user-supplied dedicated graphics card for gaming or creating 3D visuals. For broadcasting environments, the slot can accept a video capture card. To support a wide variety of cards, Sonnet has designed the eGFX Breakaway with ample space to house one PCIe card that features a full-length, full-height, and double-width form factor.
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Sonnet eGFX Breakaway Box Overview

Upgrade your Thunderbolt 3-equipped notebook's graphical capabilities with the eGFX Breakaway Box from Sonnet. The eGFX Breakaway connects to notebooks and ultra-compact desktops via a Thunderbolt 3 connection to provide one PCIe 3.0 x16 slot, so you can install a user-supplied dedicated graphics card for gaming or creating 3D visuals. For broadcasting environments, the slot can accept a video capture card. To support a wide variety of cards, Sonnet has designed the eGFX Breakaway with ample space to house one PCIe card that features a full-length, full-height, and double-width form factor.

Powering the dedicated graphics card and even your notebook can be accomplished with the built-in 550W power supply, which delivers up to 87W of upstream power for recharging your notebook's battery. The power supply sports two 8-pin PCIe power connectors to support PCIe cards requiring up to 375W of power. Aside from power, the eGFX Breakaway comes outfitted with a variable-speed fan that cools all the internal components while staying quiet. Included along with the eGFX Breakaway is a 1.5' (0.5m) Thunderbolt 3 cable to help you connect with your computer.

Connects a supported GPU card to your eGFX-compatible computer with Thunderbolt 3 ports
Supports AMD Radeon R9 and RX as well as NVIDIA GeForce GTX 7, 9, and 10 series
Compatible with up to full-length, full-height, and single- or double-width card
40 Gbps Thunderbolt 3 interface ensures 2750 MB/s of PCIe bandwidth is dedicated to the installed card
550W power supply has dual 8-pin connectors and can also deliver 87W upstream power to charge your computer
Large built-in, variable-speed, temperature-controlled fan quietly and effectively cools the installed card
Thunderbolt certified for Mac and Windows

Sonnet eGFX Breakaway Box Specs

Key Specs
Expansion Slots
1x PCIe 3.0 x16 (x4 mode)
Inputs/Outputs
1x USB-C (Thunderbolt 3)
PCIe I/O
2x 8-Pin
General
Expansion Slots
1x PCIe 3.0 x16 (x4 mode)
Supported PCI Card Sizes
Full-Height, Full-Length, Double-Width
Inputs/Outputs
1x USB-C (Thunderbolt 3)
Operating System Support
Windows, macOS/OS X
Power
Power Source Type
550 W Internal PSU
PCIe I/O
2x 8-Pin
AC Input Power
110 to 240 VAC, 50 / 60 Hz
Environmental
Operating Temperature
32 to 95°F / 0 to 35°C
Physical
Certifications
RoHS, as per Manufacturer
Dimensions
7.3 x 13.4 x 8" / 18.5 x 34 x 20.3 cm
Weight
7.1 lb / 3.2 kg
Packaging Info
Package Weight
11 lb
Box Dimensions (LxWxH)
17.3 x 11.4 x 11.3"

Sonnet eGFX Breakaway Box Reviews

Works fine

By Holly
Rated 4 out of 5
Date: 2021-02-03

Box works just as expected. Knocked off a star since I paid for a new product and received one that had been opened.

Crackling Sound & Frequent Disconnection

By Dianxun
Rated 1 out of 5
Date: 2020-05-21

I use it for my MBP 16. I connect the thunderbolt to my MBP and the egpu disconnect frequently and severly it has crackling sound from the power supply. That is horrible and will never use it in case it may ruin my Mac.

66% bigger than it needs to be

By Ronald
Rated 4 out of 5
Date: 2020-02-09

I’m saving my nickels to buy a 2019 Mac Pro. I am buying PCI cards one at a time to prepare and need someplace to test them while they are still under warranty. There are very few enclosures which can handle full-length cards and this is one of them. The case opens easily with 4 thumbscrews. Even with a double-width card installed, the case is 2/3 empty. I have no clue why they made it so big. But it does the job and does it well. I used an Apple Thunderbolt 3 to Thunderbolt 2 adaptor to connect it to my 2015 MacBook pro and exercised the 4 Samsung EVO SSDs on the Sonnet x16 card for a couple days. All is well. One star off because it is unnecessarily huge.

Not windows compatible

By Spencer
Rated 4 out of 5
Date: 2020-01-27

Caution: this unit is NOT compatible with windows 10. It works perfectly as advertised with MacOS. But right now, if you’re a booth camp user, expect extremely limited results. Compatible with the MSI 5700 XT. Final Cut Pro X was CRAZY fast once I plugged this (with an external display) into my 2013 MBP. A fantastic budget option, but absolutely not the most feature rich option for eGPU macs out there.

Awesome box for mac mini

By James
Rated 5 out of 5
Date: 2020-01-23

I bought this box to use with a Radeon RX 580, and the installation was a breeze on macOS Catalina 10.15.2. I'm using it with a mac mini (late 2018) model, and it seems to be running great. I mainly use it to help improve performance for music production, and it increases performance by 20-30%. The main area it shines in, is when I stream (using OBS) while making music in my DAW. Without the eGPU, my mac mini struggles and overheats while streaming via OBS.

Pretty large item

By David
Rated 5 out of 5
Date: 2019-10-25

Installed a video card in it for laptop usage. Very solid and easy to get working

Works perfectly with Mac Mini 2018

By Carlos
Rated 5 out of 5
Date: 2020-11-27

Received my box and installed (easily) a MSI Radeon RX 5700 XT card. Plugged it into the mac mini and worked beautifully at the first attempt. eGPU support in OSX in Catalina and BigSur lets you take advantage of it in apps that can use it to accelerate graphics processing (like Photoshop or Premiere) even if your monitor is plugged into the mac. You'll get much better results if you plug your monitor into the video card inside the breakaway box. The box is super silent, and it smartly turns on and off as the mac goes to sleep and wakes up, just as advertised. Well built.

More Than 3 Monitors on My Mac Mini

By Tracy
Rated 5 out of 5
Date: 2020-08-20

Paired this with a Radeon RX 580 graphics card. Running 4, 27 curved monitors now, and my Mini is staying super cool. Photoshop and Illustrator are more responsive and encoding with Premiere Pro is much faster.

See any errors on this page? Let us know

will this work with gforce rtx 2060 super?

will this work with gforce rtx 2060 super?
Asked by: Paul
Yes, but it will only work with Windows, not macOS. Check more information here: https://www.sonnettech.com/support/downloads/manuals/Compatibility_Graphics_Cards.pdf
Answered by: James
Date published: 2021-02-01

Would this work with an intel NUC (NUC7i7BNH) ? I ...

Would this work with an intel NUC (NUC7i7BNH) ? I am attempting to run davinci resolve 15 and 16 in a near future.
Asked by: Fabio
I am running this on an Intel NUC (NUC8i7BEH), which has similar specs to yours. Setup was easy, painless, and it just worked! I haven't had any issues whatsoever. I'm only using it as part of a media PC, so nothing too graphics intensive.
Answered by: Anonymous
Date published: 2019-08-04

Does it have enough power to run XFX - AMD Radeon ...

Does it have enough power to run XFX - AMD Radeon RX 580 GTR Black Edition 8GB GDDR5 Graphics Card?
Asked by: Srikar
The 550w power supply is capable of powering your GPU.
Answered by: Reuben
Date published: 2019-09-19

Will the RX 570 work with this?

Will the RX 570 work with this?
Asked by: Alex
Yes, the Sonnet eGFX Breakaway Box with 550W Power Supply BH #SOGPU550WTB3 supports the RX 570.
Answered by: Miguel
Date published: 2021-01-18

Will this work with a mid 2015 MacBook Pro, AMD ...

Will this work with a mid 2015 MacBook Pro, AMD Radeon R9 M370X 2 GB Intel Iris Pro 1536 MB?
Asked by: Erik
Yes, it will technically work if you use the Thunderbolt 3 to 2 adapter. However, you will NOT get the full bandwidth and power from the graphics card. There is a bottleneck with Thunderbolt 2 for external GPU.
Answered by: Sagi
Date published: 2020-06-26

If I put the AMD Pro WX 9100 card in this box can ...

If I put the AMD Pro WX 9100 card in this box can I render 2 computers at the same time with this one box?
Asked by: Wayne
You cannot connect two computers at the same time to this (or any eGPU solution). I'm not sure what the other guy is talking about when he says the BB 550w will not work with the WX 9100. I don't see why it wouldn't. It's kind of funny to me that Sonnet lists each and every GPU that is compatible with the eGPU box. Any PCIe card would work, provided the power supply can give the PCIe card (be it a GPU or whatever else) enough power and the card physically fits in the box (most do). PCI Express is a standard, every device that is PCI-compliant follows it. Every GPU from NVidia and AMD is PCI-compliant. I have put GPUs not listed on Sonnet's website in the box, and to absolutely no surprise, they work.
Answered by: James
Date published: 2020-03-01

Is Vega64 or GTX1080Ti work with 550W? or should ...

Is Vega64 or GTX1080Ti work with 550W? or should I buy 650W?
Asked by: Hidetake
It would be recommended to use a 650w power supply witha GTX 1080TI.
Answered by: Reuben
Date published: 2019-08-16

I have HP Pavilion x360 cd0077TU Laptop and ...

I have HP Pavilion x360 cd0077TU Laptop and Nvidia Quadro P1000 GPU. So Does it work to combine them?
Asked by: OOBA 3D
No, unfortunately you need a thunderbolt 3 port on the host computer.
Answered by: Darius
Date published: 2021-02-11
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