---
product_id: 388301174
title: "Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution"
brand: "owc"
price: "KD 146.82"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/388301174-mercury-helios-3s-thunderbolt-3-pcie-expansion-solution
store_origin: KW
region: Kuwait
---

# 40Gbps speed 2 Thunderbolt 3 ports 8K display support Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution

**Brand:** owc
**Price:** KD 146.82
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Workflow with OWC's Helios 3S!

## Quick Answers

- **What is this?** Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution by owc
- **How much does it cost?** KD 146.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/388301174-mercury-helios-3s-thunderbolt-3-pcie-expansion-solution)

## Best For

- owc enthusiasts

## Why This Product

- Trusted owc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Powerful:** Sleek design (14.3 x 14.3 x 8.2 cm) that fits perfectly in any workspace.
- • **Stunning Visuals Await:** Connect to an 8K display via DisplayPort 1.4 for breathtaking clarity.
- • **Versatile Card Support:** Easily install half-length, full-height, and double-width PCIe cards without any tools.
- • **Power Up While You Work:** Charge your notebook with 85W while you multitask seamlessly.
- • **Unleash Lightning-Fast Transfers:** Experience blazing 40Gbps transfer speeds that redefine efficiency.

## Overview

The OWC Mercury Helios 3S is a cutting-edge Thunderbolt 3 PCIe expansion solution designed for professionals seeking high-speed data transfer and versatile connectivity. With lightning-fast 40Gbps speeds, support for up to 8K displays, and tool-free card installation, this compact powerhouse enhances productivity while keeping your workspace sleek and organized.

## Description

OWC - Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution

## Features

- Lightning-fast 40Gbps transfer speeds: (2) Thunderbolt 3 ports
- Play your card: physical slot and enclosure support cards up to half-length, full-height, double-width
- See more: DisplayPort 1.4 for connecting up to an 8K display
- Easy card installs: No tools required
- Charge while working: 85W of notebook charging

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | OWC |
| Product Dimensions | 14.3 x 14.3 x 8.2 cm; 1.6 kg |
| Item model number | OWCHELIOS3S |
| Manufacturer | OWC |
| Color | Enclosure |
| Wattage | 150 watts |
| Operating System | Windows, macOS |
| Are Batteries Included | No |
| Item Weight | 1.6 Kilograms |

## Product Details

- **Brand:** OWC
- **Colour:** Enclosure
- **Hardware interface:** Thunderbolt
- **Special features:** Play, Plug
- **Compatible devices:** Desktops, Laptops

## Images

![Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution - Image 1](https://m.media-amazon.com/images/I/51qnp1z4rRL.jpg)

## Questions & Answers

**Q: Does it support daisy chaining another Thunderbolt 3 device to the 2nd port? e.g. A 10gbe Thunderbolt network adapter.**
A: Hello. Yes, the OWC Mercury Helios 3S will allow or thunderbolt device to be daisy-chained off the second port of this chassis.

**Q: Can you install a gpu card like nvidia into this?**
A: Hello. No this unit does not support GPU's.

**Q: is this thunderbolt 4 compatible?**
A: Hello. This Mercury Helios 3S is a Thunderbolt 3 device, but can be used in a Thunderbolt 4 port as 3 is backwards compatible.

**Q: Will this work with bootcamp windows 10/11 for a lynx aes16e interface card?**
A: I bought this for my vive wireless pcie wigic card and just googled yours. From what I see so long as you have a thunderbolt 3 port it should work.vyour card should fit. However from the looks of the googled image you may have to keep the casing off. No loss it will still work just no shell.

## Frequently Bought Together

- OWC Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution
- Cable Matters [Intel Certified] 40Gbps Thunderbolt 4 Cable 3.3ft with 8K Video and 240W Charging - 1m, Compatible with USB4, Thunderbolt 3 Cable and USB-C

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**Shop now:** [https://www.desertcart.com.kw/products/388301174-mercury-helios-3s-thunderbolt-3-pcie-expansion-solution](https://www.desertcart.com.kw/products/388301174-mercury-helios-3s-thunderbolt-3-pcie-expansion-solution)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-21*