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OWC Mercury Helios 3S interface cards/adapter PCIe

OWC

Compare today's prices on the "OWC Mercury Helios 3S interface cards/adapter PCIe".

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Last Updated: 16/03/2026
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Product Description

Compare today's prices on the "OWC Mercury Helios 3S interface cards/adapter PCIe".

OWC Mercury Helios 3S interface cards/adapter PCIe

Unlock a new world of expansion flexibility by connecting high-performance PCIe cards to your Mac Pro or PC. The OWC Mercury Helios 3S transforms any Thunderbolt 3 or USB-C port into a powerful expansion chassis, allowing you to add professional video capture, audio interfaces, high-speed storage, network adapters, or even a gaming graphics card — without opening your computer’s case. Whether you are a creative professional needing extra I/O or a gamer wanting to boost graphics performance, this compact and robust enclosure delivers the bandwidth and reliability you need.

- Expands your computer with a single PCIe 3.0 x16 slot for full-height, half-length cards (supporting both x16 and x8 card configurations)

- Thunderbolt 3 interface (USB-C) provides up to 40 Gbps data throughput for demanding workflows

- Integrated 150W power supply delivers ample power for most graphics cards and other power-hungry PCIe devices

- Plug-and-play setup with no additional drivers required for macOS and Windows compatibility

- Durable metal chassis with built-in fan for active cooling, keeping your expansion card running at optimal temperatures

- Daisy-chain support lets you connect additional Thunderbolt 3 devices through the second Thunderbolt port

Take your computer’s capabilities further with the OWC Mercury Helios 3S — the straightforward, high-performance PCIe expansion solution.

GTIN: 5715063260708