Free Shipping available on most orders $49.00 & up.

Get Details. »

OWC Mercury
Helios FX
The eGPU chassis built to empower.

Thunderbolt 3 | Mac and Windows
  • Connect a GPU via Thunderbolt 3
  • Mac and Windows compatible
  • Elevate graphics performance
  • Utilize multiple displays
  • GPU power + notebook charging
  • Thunderbolt cable included
Add the power of a high-performance GPU to your Mac or PC via Thunderbolt 3. Whether you're bringing a creative vision to life, crunching research data, playing the latest hardware-punishing game, or connecting additional displays – the OWC Mercury Helios FX is built to empower everything you do.
Mercury Helios FX Thunderbolt 3 Helios FX Helios FX Helios FX Helios FX Helios FX Helios FX Helios FX

OWC Mercury Helios FX 650 & Bundles

Upgraded 650W power supply for the most demanding GPUs. Provides 100W charging power to a connected notebook.

OWC Mercury Helios FX & Bundles

550W power supply for most high-performance GPUs. Provides 87W charging power to a connected notebook.



OWC AR/VR Development Platform

Powerful eGPU and SSD storage to drive AR/VR workflows

Learn More »

The Power to Do More

Achieve smoother frame rates, encode faster, edit in greater resolutions, add displays, utilize VR and AR, elevate gaming performance, or take advantage of the complex data crunching GPUs excel at. You'll have plenty of options with support for most Thunderbolt-compatible AMD Radeon and NVIDIA GeForce, TITAN, and Quadro GPUs.

Transformative Notebook Performance

Change the way you think of notebooks. Utilize the greater portability and flexibility of lighter laptops while taking advantage of easy-to-upgrade desktop-class GPUs. With an OWC Mercury Helios FX in your arsenal, performance is plug and play, and upgrades are easy.
Helios 3 rear
Helios 3 lifestyle

Multi-Platform Flexibility

The OWC Mercury Helios FX provides an exhilarating performance boost to both Macs and Windows PCs featuring a Thunderbolt 3 interface. Whether in a single-platform environment or a mixed-platform environment, the OWC Mercury Helios FX can easily be moved between computers to enhance workflows wherever it is needed most.

Powerful, Cool, and Quiet

The OWC Mercury Helios FX is built to handle the most power-hungry GPUs and simultaneously charge your notebook. It stays cool with a whisper-quiet, temperature-controlled fan, making it perfect for noise-sensitive environments.

Beyond GPUs

It's easy to quickly swap out cards as needed with the OWC Mercury Helios FX. In addition to GPUs, it has the cooling, room, and power to support virtually any Thunderbolt-compatible PCIe card – including popular RED ROCKET and AVID Pro Tools | HDX PCIe cards.
Helios 2 with MacBook Pro with Retina display
warranty icon

Quality You Can Trust

OWC builds our hardware to the highest standards of reliability and performance. Because 100% reliability is always the goal, we rigorously quality test and back our hardware with a 3 Year OWC Limited Warranty and 24/7 customer support.

Learn More