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  5. Expansion Boards
  6. OWC Mercury Helios 3S

OWC Mercury Helios 3S

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last updated:Jun 24, 2025

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An external expansion box that allows various PCIe boards to be connected via a Thunderbolt port.

The OWC Mercury Helios 3S (hereinafter referred to as this product) is an expansion box that allows various boards compatible with PCI Express 3.0 x16 to be connected to a computer via Thunderbolt 3. By installing various PCI Express boards in this product, the functionality of the computer can be diversified. It supports board sizes up to half-length/full-height (173mm x 107mm) and occupies 2 slots. *Internally, this product operates at 4 lanes (x4).

    Expansion Boards
Mercury

OWC Mercury Helios 3S

Mercury Helios 3S_R45-A.JPG
Mercury Helios 3S_R45-A.JPG
  • Related Link - https://www.amulet.co.jp/owc/pcie-box/owc-mercury-…

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basic information

◎Main Specifications Computer Interface: Thunderbolt 3 x2 PCI Express Board Interface: PCI Express x16 (x4 operation) 1 slot Monitor Interface: DisplayPort 1.4 x1 Power Supply: Dedicated AC adapter (12V/12.5A) Dimensions (Width x Depth x Height): 143mm x 233mm x 82mm Weight: 1.6kg (excluding accessories and PCI Express board) Included Accessories: Thunderbolt 3 cable, dedicated AC adapter, user manual, warranty ◎Operating Environment Computer: Mac and Windows computers equipped with Thunderbolt 3/4/5 ports Compatible PCI Express Boards: Various PCI Express 3.0 x16 compatible boards that support Thunderbolt connection, half-length/full-height (173mm x 107mm), up to 2-slot occupancy *This product does not support graphics cards. Supported OS: macOS 10.13 or later, Windows 10 or later

Price information

Open price

Price range

P2

Delivery Time

P2

※The delivery time will vary depending on the quantity, so please contact us.

Applications/Examples of results

- For various functional expansions of laptops/compact PCs - As a docking station for laptops for office/home use

Detailed information

  • Mercury

    - Diverse expansion of notebook PC/compact PC functions - External monitors and USB devices can also be connected - Compatible with Mac/Windows

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Model number overview
AMU-HELIOS3S OWC MERCURY HELIOS 3S

Company information

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IT/Telecommunications

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Our company aims to contribute to the success of our customers' businesses through the IT technologies we have cultivated over many years. To achieve this goal, we emphasize processes such as experimentation, verification, customization, and support of IT environments. Please feel free to contact us if you have any requests.

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