The external GPU expansion chassis built to empower everyone.

Whether you want to achieve smoother frame rates, encode faster, edit at greater resolutions, utilize VR and AR, game or take advantage of the computational gymnastics of which GPUs are known for — the OWC Mercury Helios FX is the external GPU expansion chassis built to empower everyone.

Helios Fx Hero2 Left
Owc Mercury Helios 3 Rear


PCIe Expansion at the Speed of Thunderbolt 3.

Mercury Helios 3 provides phenomenal throughput up to 40Gb/s. The perfectly simple solution to add high-performance PCIe cards made for video production, transcoding, audio processing, data storage and much more.

Mercury Helios

PCIe Expansion Chassis with Thunderbolt 2 Technology.

Helios combines the expansion potential of PCIe with the high bandwidth of Thunderbolt 2 technology, delivering the convenience, power and versatility of almost unlimited expansion capability.

OWC Helios

Introducing Project DEC

Make Your MacBook Pro, Again.

Precision CNC milled from aircraft grade aluminum to 1/1000ths of an inch tolerance, delivering an innovative, patented solution. This solution seamlessly integrates with your MacBook Pro for increased capacity and expanded connectivity far beyond factory capabilities.

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OWC Project DEC