OWC Mercury Helios 5S Thunderbolt™ 5 (USB-C) PCIe and Connectivity Expansion Solution

Delivered between Thu, 16.4. and Wed, 22.4.
7 pieces in stock at supplier
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Product details

The Mercury Helios 5S Thunderbolt 5 PCIe expansion solution from Other World Computing is an advanced eGPU enclosure designed specifically for professional computing environments. It offers exceptional connectivity and impressive data transfer capabilities required for demanding applications. With support for Thunderbolt 5 technology, the enclosure enables data transfer speeds of up to 80 gigabits per second, ensuring quick access to storage arrays and powerful PCIe-based devices such as graphics cards and video capture cards. The durable aluminum casing provides effective heat management and stable operation, while multiple Thunderbolt 5 ports allow for daisy-chaining additional peripherals. The compact design makes the Helios 5S suitable for both desktop and mobile workstation configurations, offering comprehensive compatibility with modern operating systems.

  • Supports Thunderbolt 5 with data transfer speeds of up to 80 Gb/s
  • Compatible with full-length, dual-width PCIe cards
  • Efficient cooling system for reliable operation
  • Daisy-chaining of peripherals via multiple Thunderbolt 5 ports
  • Durable aluminum enclosure for optimal heat management.

Key specifications

Interface
PCIe
USB ports
Thunderbolt 5USB-C

General information

Item number
65206451
Manufacturer
OWC
Category
Hard drive enclosures
Manufacturer no.
OWCTB5HELIOS5S
Release date
17.11.2025
Sales rank in Category Hard drive enclosures
185 of 868

Material

Material group
Metal
Material
Aluminium

Case properties

External case type
eGPU case
Protocol
NVMe
Max. data transfer rate
6000 Mbit/s
Hard disk enclosure functions
Fan

Internal interfaces

Interface
PCIe

Connections

USB ports
Thunderbolt 5USB-C

Power supply

Power supply
Electrical connection
Power consumption
15 W

Origin

Country of origin
USA

Voluntary climate contribution

CO₂ emissions
37.81 kg
Climate contribution
CHF 0.91

Scope of delivery

Scope of delivery
Power cable holderThunderbolt 5 80Gb/s cable

Product dimensions

Length
30 cm
Width
15 cm
Height
10 cm
Weight
2500 g

Package dimensions

Length
31 cm
Width
19 cm
Height
20 cm
Weight
2.61 kg

30-day right of return
5 years Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Hard drive enclosures» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 7.Satechi
    1.2 %
  • 8.LC-Power
    1.4 %
  • 9.OWC
    1.5 %
  • 10.Fantec
    1.6 %
  • 11.LogiLink
    1.7 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Icy Box
    0 days
  • 1.LC-Power
    0 days
  • 1.LogiLink
    0 days
  • 1.Ugreen
    0 days
  • 8.OWC
    1 day

Return rate

How often is a product of this brand in the «Hard drive enclosures» category returned?

Source: Digitec Galaxus
  • 13.Orico
    5.2 %
  • 14.Terramaster
    5.4 %
  • 15.LogiLink
    5.6 %
  • 16.Renkforce
    6 %
  • 17.OWC
    6.2 %
Source: Digitec Galaxus