---
product_id: 388301174
title: "Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution"
brand: "owc"
price: "7181 kr"
currency: NOK
in_stock: true
category: "Owc"
url: https://www.desertcart.no/products/388301174-mercury-helios-3s-thunderbolt-3-pcie-expansion-solution
store_origin: NO
region: Norway
---

# 40Gbps Thunderbolt 3 speed 85W notebook charging power Supports up to 8K DisplayPort 1.4 Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution

**Brand:** owc
**Price:** 7181 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Expand your power. Elevate your workflow.

## Quick Answers

- **What is this?** Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution by owc
- **How much does it cost?** 7181 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/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

- • **Tool-Free Card Swaps:** Switch PCIe cards in minutes—no tools, no hassle, just pure productivity.
- • **Power Through Your Day:** 85W charging keeps your laptop powered while you create, edit, and innovate.
- • **8K-Ready DisplayPort 1.4 Output:** Connect stunning 8K displays and elevate your visual workspace.
- • **Pro-Level PCIe Card Flexibility:** Supports half-length, full-height, double-width cards for ultimate expansion freedom.
- • **Blazing 40Gbps Thunderbolt 3 Transfer:** Experience ultra-fast data flow that keeps your workflow lightning quick.

## Overview

The OWC Mercury Helios 3S is a Thunderbolt 3 PCIe expansion solution delivering 40Gbps transfer speeds, supporting professional-grade PCIe cards up to double-width size, and featuring DisplayPort 1.4 for 8K display connectivity. It offers tool-free card installation and 85W laptop charging, making it the ultimate external PCIe dock for creative pros and power users on macOS and Windows.

## Description

Buy OWC - Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Additional Features | Play, Plug |
| Asin | B083V3DKCN |
| Best Sellers Rank | #82,128 in Computers (See Top 100 in Computers) #5,461 in USB Cables |
| Brand | OWC |
| Color | Enclosure |
| Compatible Devices | Desktops, Laptops |
| Customer Reviews | 4.5 4.5 out of 5 stars (73) 4.5 out of 5 stars |
| Data Transfer Rate | 40 Gigabits Per Second |
| Enclosure Material | Metal |
| Hardware Interface | Thunderbolt |
| Item Dimensions L X W X H | 14.3L x 14.3W x 8.2H centimeters |
| Item Weight | 1.7 Kilograms |
| Manufacturer | OWC |
| Mfr Part Number | HELIOS3S |
| Model Number | OWCHELIOS3S |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Ports | 3 |
| Operating System | Windows, macOS |
| Total Usb Ports | 2 |
| Upc | 810586032773 |

## Product Details

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

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.no/products/388301174-mercury-helios-3s-thunderbolt-3-pcie-expansion-solution](https://www.desertcart.no/products/388301174-mercury-helios-3s-thunderbolt-3-pcie-expansion-solution)

---

*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-26*