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Key Features
- Use a PCIe Card via Thunderbolt 5
- 1 x PCIe 4.0 x16 Slot
- 3 x Thunderbolt 5 Port (80 Gb/s)
- Thunderbolt 5 Host Connection (80 Gb/s)
Connect a half-length, full-height, single- or double-width PCIe 4.0 card to systems with a Thunderbolt 5 port using the OWC Mercury Helios 5S Thunderbolt 5 PCIe Expansion Solution. Built to fit a single PCIe 4.0 x4 card (x16 mechanical slot), the Mercury Helios 5S allows you to expand the connectivity of your compatible Mac, Windows PC, or Linux computer. The Mercury Helios 5S features three 80 Gb/s Thunderbolt 5 ports and one Thunderbolt 5 host port. The three Thunderbolt 5 ports can each provide 15W of power delivery. The Mercury Helios 5S expands the functionality of your Mac or PC with ease.
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Does the Helios 5s work with Thunderbolt 3 & 4 or
Does the Helios 5s work with Thunderbolt 3 & 4 or only Thunderbolt 5?
The OWC Mercury Helios 5S Thunderbolt 5 PCIe Expansion Solution would be backward compatible with Thunderbolt 3 and 4; however, you would be limited to their max speeds.
Date published: 2026-05-04