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OWC

Mercury Helios 3S
Thunderbolt 3 PCIe Expansion Solution

Mac | PC | Thunderbolt 3| PCIe | DisplayPort
Use PCIe cards with your Thunderbolt 3 Mac and Windows PC
Maximize Your PCIe Card Investment with An External PCIe Slot
A New World of Expansion Flexibility
Using a video, audio, storage, network, or even gaming PCIe card with a Mac Pro or PC desktop is a simple matter of inserting your card into an open slot. But what do you do if you have a laptop or even a space-confined desktop like an iMac or Mac mini that doesn't contain a PCIe slot?
The OWC Mercury Helios 3S is an easy to use yet powerful expansion solution that adds an external PCIe slot to your Thunderbolt 3 equipped computer. Now you can maximize your existing PCIe card investment — or expand it! — while enjoying the flexibility of adding professional-class video production, transcoding, audio processing, data storage, and high-speed network connectivity to your machine.
Retask Without Limits
Instead of buying one or more function-dedicated Thunderbolt interface devices, you can use Mercury Helios 3S like a dock for multiple PCIe cards. Capture incredibly high-quality audio with a PCIe audio card and then retask Helios 3S with a PCIe SSD card to edit and archive tracks. You can swap cards in minutes, adding a new level of flexibility to your workflow.
Capture, Stream, and Share in Seconds
With dual 40Gbps Thunderbolt 3 (Thunderbolt 2/Thunderbolt backward compatible), the Mercury Helios 3S offers the bandwidth needed to support data-intensive 4K capture cards to speed up diverse video workflows such as vlogging. Boost your DAW with external DSP acceleration and run larger mixes with multiple plug-ins. Livestream the action in your gaming sessions or share files over a 10GbE or Fibre Channel network without any speed throttling.
Pro-Level Performance Cards for Every Need
Mercury Helios 3S supports a wide variety of half-length, full-height, single or double-width pro-level PCIe cards from leading brands like AJA, Apogee, ATTO, Avid Pro Tools, Blackmagic Design, CalDigit, HighPoint, Intel, Solid State Logic, Universal Audio, and OWC:
  • Video capture
  • Digital audio
  • Solid State Drive (SSD)
  • 40GbE/10GbE network adapters
  • SAS controllers
  • Firewire, USB, or eSATA host adapters
Add New Capabilities to Your Workflow
Thunderbolt 3 offers more than just speed. Mercury Helios 3S leverages the full power of Thunderbolt 3 to deliver added potential to your Mac or PC. Daisy-chain up to five additional Thunderbolt peripherals for incredible capabilities to work or play. Charge your notebook with 85W while you work. Even add up to an 8K display via the DisplayPort interface to expand your viewing space.
Plug and Play
No special software or drivers needed...just plug the Mercury Helios 3S into an open Thunderbolt 3 port on your computer with the included cable to immediately expand your system capabilities.
No tools required either...just remove two thumb screws and insert a card to start enjoying productivity gains wherever your work takes you.

Product Specifications:

OWC Part Number

  • HELIOS3S

Color

  • Black

Material

  • Aluminum

OS Compatibility

  • macOS 10.13 or later
  • Windows 10 or later

PCIe Cards Supported

  • Mechanical: x16 slot and enclosure support cards up to half-length, full-height, and double-width
  • Bandwidth: PCIe 3.0 x4. Cards that require a minimum of x8 or more PCIe lanes are not supported.
  • GPUs not supported
  • If the card requires a driver it must be Thunderbolt-aware.
  • Cards that require more than 75W are not supported.

RoHS

  • Yes

Ports

  • (2) Thunderbolt 3
  • (1) DisplayPort 1.4

Chipset

  • Thunderbolt 3: Titan Ridge (JHL7440)

Expansion Slot

  • PCI Express 3.0 interface (x4) with x16 physical slot

Display Host Capabilities

  • Supports dual display configurations via Thunderbolt 3 and DisplayPort
  • The DisplayPort does not support DP++
  • When using a DisplayPort to HDMI adapter, make sure to use an active adapter.

Power

  • AC Input 2.2A 100-240V 50-60Hz
  • DC Output 12.5A 12V
  • Wattage 150W

Dimensions

  • Height: 8.2 cm (3.2 in)
  • Width: 14.3 cm (5.6 in)
  • Length: 23.3 cm (9.2 in)

Weight

  • 1.6 kg (3.64 lbs)

Notes

  • The Mercury Helios 3S can deliver up to 85W of power for host charging when the host is connect to the 85W port.
  • If the PCIe card installed uses more than 25W of power, plug in the power adapter to your host.
  • You can use the Thunderbolt 3 to Thunderbolt 2 adapter from Apple to connect this device to a Thunderbolt 2 computer. Power Delivery is not supported in this configuration and bandwidth will be limited to ~ 1375 MB/s.
  • Full DisplayPort 1.4 capabilities including 8K resolution depends on host computer support of DisplayPort 1.4 specification through its Thunderbolt 3 connection, host computer GPU capabilities, and connecting cable capabilities.
Manufacturer provided specifications for Other World Computing p/n HELIOS3S UPC#: 810586032773

Gallery

This product is compatible with... Learn how to find your Mac's model ID
Mac Pro
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
3.5GHz 8-Core
Install videos coming soon
Mac Pro
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
3.3GHz 12-Core
Install videos coming soon
Mac Pro
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
3.2GHz 16-Core
Install videos coming soon
Mac Pro
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
2.7GHz 24-Core
Install videos coming soon
Mac Pro
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
2.5GHz 28-Core
Install videos coming soon
Mac Pro
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
3.5GHz 8-Core
Install videos coming soon
Mac Pro
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
3.3GHz 12-Core
Install videos coming soon
Mac Pro
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
3.2GHz 16-Core
Install videos coming soon
Mac Pro
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
2.7GHz 24-Core
Install videos coming soon
Mac Pro
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
2.5GHz 28-Core
Install videos coming soon
Mac mini 2018
Mac mini (Late 2018)
(November, 2018)
Model ID: Macmini8,1
3.6GHz i3, 3.0GHz i5, 3.2GHz i7
iMac Intel
iMac Pro
(27-inch Late 2017)
(December 2017)
Model ID: iMacPro1,1
3.2GHz 8-core, 3.0GHz 10-core, 2.3GHz 14-core, 2.5GHz 18-core
iMac Intel
iMac w/Retina 5K display
(27-inch Mid 2020)
(August 2020)
Model ID: iMac20,1; iMac20,2
3.1GHz i5, 3.3GHz i5, 3.8GHz i7, 3.6GHz i9
Detailed specs coming soon
Install Videos coming soon
iMac Intel
iMac w/Retina 5K display
(27-inch Early 2019)
(March 2019)
Model ID: iMac19,1
3.0GHz i5, 3.1GHz i5, 3.7GHz i5, 3.6GHz i9
iMac Intel
iMac w/Retina 4K display
(21.5-inch Early 2019)
(March 2019)
Model ID:iMac19,2
3.6GHz i3, 3.0GHz i5, 3.2GHz i7
iMac Intel
iMac w/Retina 5K display
(27-inch Mid 2017)
(June 2017)
Model ID:iMac18,3
3.4GHz i5, 3.5GHz i5, 3.8GHz i5, 4.2GHz i7
iMac Intel
iMac w/Retina 4K display
(21.5-inch Mid 2017)
(June 2017)
Model ID:iMac18,2
3.0GHz i5, 3.4GHz i5, 3.6GHz i7
iMac Intel
iMac (21.5-inch Mid 2017)
(June 2017)
Model ID:iMac18,1
2.3GHz i5
MacBook Pro Retina w/ Touch Bar
MacBook Pro (13-inch Touch Mid 2020)
(May, 2020)
Model ID: MacBookPro16,3
1.4GHz i5, 1.7GHz i7
Detailed specs coming soon
Install Videos coming soon
MacBook Pro Retina w/ Touch Bar
MacBook Pro (13-inch Touch Mid 2020)
(May, 2020)
Model ID: MacBookPro16,2
2.0GHz i5, 2.3GHz i7
Detailed specs coming soon
Install Videos coming soon
MacBook Pro Retina w/ Touch Bar
MacBook Pro (16-inch Touch Mid 2019)
(November, 2019)
Model ID: MacBookPro16,1
2.6GHz i7, 2.3GHz i9, 2.4GHz i9
Install Videos coming soon
MacBook Pro Retina w/ Touch Bar
MacBook Pro (15-inch Touch Mid 2019)
(May, 2019)
Model ID: MacBookPro15,1; MacBookPro15,3
2.6GHz i7, 2.3GHz i9, 2.4GHz i9
Install Videos coming soon
MacBook Pro Retina
MacBook Pro (13-inch Touch Mid 2019)
(July, 2019)
Model ID: MacBookPro15,4
1.4GHz i5, 1.7GHz i7
Install Videos coming soon
MacBook Pro Retina
MacBook Pro (13-inch Touch Mid 2019)
(May, 2019)
Model ID: MacBookPro15,2
2.4GHz i5, 2.8GHz i7
Install Videos coming soon
MacBook Pro Retina w/ Touch Bar
MacBook Pro (15-inch Touch Mid 2018)
(July, 2018)
Model ID: MacBookPro15,1
2.2GHz i7, 2.6GHz i7, 2.9GHz i9
Install Videos coming soon
MacBook Pro Retina
MacBook Pro (13-inch Touch Mid 2018)
(July, 2018)
Model ID: MacBookPro15,2
2.3GHz i5, 2.7GHz i7
Install Videos coming soon
MacBook Pro Retina w/ Touch Bar
MacBook Pro (15-inch Touch Mid 2017)
(June, 2017)
Model ID: MacBookPro14,3
2.8GHz i7, 2.9GHz i7, 3.1GHz i7
MacBook Pro Retina
MacBook Pro (13-inch Touch Mid 2017)
(June, 2017)
Model ID: MacBookPro14,2
3.1GHz i5, 3.3GHz i5, 3.5GHz i7
MacBook Pro Retina
MacBook Pro (13-inch Retina display Mid 2017)
(June, 2017)
Model ID: MacBookPro14,1
2.3GHz i5, 2.5GHz i7
MacBook Pro Retina
MacBook Pro (15-inch Touch Late 2016)
(October, 2016)
Model ID: MacBookPro13,3
2.6GHz, 2.7GHz, 2.9GHz
MacBook Pro Retina
MacBook Pro (13-inch Touch Late 2016)
(October, 2016)
Model ID: MacBookPro13,2
2.9GHz, 3.1GHz, 3.3GHz
MacBook Pro Retina
MacBook Pro (13-inch Retina display Late 2016)
(October, 2016)
Model ID: MacBookPro13,1
2.0GHz, 2.4GHz
MacBook Air
MacBook Air (13-inch Early 2020)
(March 2020)
Model ID: MacBookAir9,1
1.1GHz i3, 1.1GHz i5, 1.2GHz i7
MacBook Air
MacBook Air (13-inch Mid 2019)
(July 2019)
Model ID: MacBookAir8,2
1.6GHz i5
MacBook Air
MacBook Air (13-inch Late 2018)
(November 2018)
Model ID: MacBookAir8.1
1.6GHz i5
PC Desktop
PC Compatible
Compatible with Intel / AMD based desktop/laptop PCs with built-in Thunderbolt 3 ports.
Extended Compatibility... Learn how to find your Mac's model ID
Add a Thunderbolt 3 (USB-C) to Thunderbolt 2 (mDP) adapter to extend compatibility to the following machines:
Mac Pro
Mac Pro
(December, 2013)
Model ID: MacPro6,1
2.7GHz 3.0GHz, 3.5GHz, 3.7GHz
iMac Intel
iMac w/Retina 5K display
(27-inch Late 2015)
(October 2015)
Model ID:iMac17,1
3.2GHz i5, 3.3GHz i5, 4.0GHz i7
iMac Intel
iMac w/ Retina 4K display (21.5-inch Late 2015)
(October 2015)
Model ID:iMac16,2
3.1GHz i5, 3.3GHz i7
iMac Intel
iMac (21.5-inch Late 2015)
(October 2015)
Model ID: iMac16,1 or iMac16,2
1.6GHz i5, 2.8GHz i5, 3.1GHz i5, 3.3GHz i7
iMac Intel
iMac w/Retina 5K display
(27-inch Mid 2015)
(May 2015)
Model ID: iMac15,1
3.3GHz i5, 3.5GHz i5, 4.0GHz i7
iMac Intel
iMac w/Retina 5K display
(27-inch Late 2014)
(October 2014)
Model ID: iMac15,1
3.5GHz i5, 4.0GHz i7
iMac Intel
iMac (27-inch Late 2013)
(September 2013)
Model ID: iMac14,2
3.2GHz i5, 3.4GHz i5, 3.5GHz i7
iMac Intel
iMac (27-inch Late 2012)
(October 2012)
Model ID: iMac13,2
2.9GHz i5, 3.2GHz i5, 3.4GHz i7
iMac Intel
iMac (27-inch Mid 2011)
(May 2011)
Model ID: iMac12,2
2.7GHz i5, 3.1GHz i5, 3.4GHz i7
iMac Intel
iMac (21.5-inch Mid 2014)
(June 2014)
Model ID: iMac14,4
1.4GHz i5
iMac Intel
iMac (21.5-inch Late 2013)
(September 2013)
Model ID: iMac14,3
2.9GHz i5 or 3.1GHz i7
iMac Intel
iMac (21.5-inch Late 2013)
(September 2013)
Model ID: iMac14,1
2.7GHz i5
iMac Intel
iMac (21.5-inch Early 2013)
(March 2013)
Model ID: iMac13,1
3.3GHz i3
iMac Intel
iMac (21.5-inch Late 2012)
(October 2012)
Model ID: iMac13,1
2.7GHz i5 , 2.9GHz i5, 3.1GHz i7
iMac Intel
iMac (21.5-inch Late 2011)
(August 2011)
Model ID: iMac12,1
3.1GHz i3
iMac Intel
iMac (21.5-inch Mid 2011)
(May 2011)
Model ID: iMac12,1
2.5GHz i5 , 2.7GHz i5, 2.8GHz i7
Mac mini Intel
Mac mini (Late 2014)
(October, 2014)
Model ID: Macmini7,1
1.4GHz, 2.6GHz, 2.8GHz, 3.0GHz
Mac mini Intel
Mac mini (Late 2012)
(October, 2012)
Model ID: Macmini6,1 & Macmini6,2
2.3GHz, 2.5GHz, 2.6GHz
Mac mini Intel
Mac mini (Late 2012 Server)
(October, 2012)
Model ID: Macmini6,2
2.3GHz, 2.6GHz
Mac mini Intel
Mac mini (Mid 2011)
(July, 2011)
Model ID: Macmini5,1 & Macmini5,2
2.3GHz, 2.5GHz, 2.7GHz
Mac mini Intel
Mac mini (Mid 2011 Server)
(July, 2011)
Model ID: Macmini5,3
2.0GHz
MacBook Pro Retina
MacBook Pro (15-inch Retina display Mid 2015)
(May, 2015)
Model ID: MacBookPro11,4; MacBookPro11,5
2.2GHz, 2.5GHz, 2.8GHz
MacBook Pro Retina
MacBook Pro (13-inch Retina display Early 2015)
(March, 2015)
Model ID: MacBookPro12,1
2.7GHz, 2.9GHz, 3.1GHz
MacBook Pro Retina
MacBook Pro (13-inch Retina Display 2013 - 2014)
(October, 2013 - July, 2014)
Model ID: MacBookPro11,1
2.4GHz, 2.6GHz, 2.8GHz, 2.9GHz, 3.0GHz
MacBook Pro Retina
MacBook Pro (15-inch Retina Display 2013 - 2014)
(October, 2013 - July, 2014)
Model ID: MacBookPro11,2
2.0GHz, 2.2GHz, 2.5GHz, 2.8GHz
MacBook Pro Retina
MacBook Pro (15-inch Retina Display 2013 - 2014)
(October, 2013 - July, 2014)
Model ID: MacBookPro11,3
2.3GHz, 2.5GHz, 2.6GHz, 2.8GHz
MacBook Pro Retina
MacBook Pro (15-inch Retina Display 2013)
(January, 2013)
Model ID: MacBookPro10,1
2.4GHz, 2.7GHz, 2.8GHz
MacBook Pro Retina
MacBook Pro (13-inch Retina Display 2013)
(January, 2013)
Model ID: MacBookPro10,2
2.5GHz, 2.6GHz, 2.9GHz, 3.0GHz
MacBook Pro Retina
MacBook Pro (13-inch Retina Display 2012-2013)
(October, 2012)
Model ID: MacBookPro10,2
2.5GHz, 2.9GHz
MacBook Pro Retina
MacBook Pro (15-inch Retina Display 2012)
(June, 2012)
Model ID: MacBookPro10,1
2.3GHz, 2.6GHz, 2.7GHz
MacBook Pro Unibody
MacBook Pro (15-inch 2012)
(June, 2012)
Model ID: MacBookPro9,1
2.3GHz, 2.6GHz, 2.7GHz
MacBook Pro Unibody
MacBook Pro (13-inch 2012)
(June, 2012)
Model ID: MacBookPro9,2
2.5GHz, 2.9GHz
MacBook Pro Unibody
MacBook Pro (17-inch 2011)
(October, 2011)
Model ID: MacBookPro8,3
2.4GHz, 2.5GHz
MacBook Pro Unibody
MacBook Pro (15-inch 2011)
(October, 2011)
Model ID: MacBookPro8,2
2.2GHz, 2.4GHz, 2.5GHz
MacBook Pro Unibody
MacBook Pro (13-inch 2011)
(October, 2011)
Model ID: MacBookPro8,1
2.4GHz, 2.8GHz
MacBook Pro Unibody
MacBook Pro (17-inch Early 2011)
(February, 2011)
Model ID: MacBookPro8,3
2.2GHz, 2.3GHz
MacBook Pro Unibody
MacBook Pro (15-inch Early 2011)
(February, 2011)
Model ID: MacBookPro8,2
2.0GHz, 2.2GHz, 2.3GHz
MacBook Pro Unibody
MacBook Pro (15-inch Early 2011)
(February, 2011)
Model ID: MacBookPro8,2
2.0GHz, 2.2GHz, 2.3GHz
MacBook Air
MacBook Air (13-inch Early 2015)
(March 2015)
Model ID: MacBookAir7,2
1.6GHz i5, 2.2GHz i7
MacBook Air
MacBook Air (11-inch Early 2015)
(March 2015)
Model ID: MacBookAir7,1
1.6GHz i5, 2.2GHz i7
MacBook Air
MacBook Air (13-inch Mid 2013)
(June, 2013)
Model ID: MacBookAir6,2
1.3GHz, 1.7GHz
MacBook Air
MacBook Air (11-inch Mid 2013)
(June, 2013)
Model ID: MacBookAir6,1
1.3GHz, 1.7GHz
MacBook Air
MacBook Air (13-inch Mid 2012)
(June, 2012)
Model ID: MacBookAir5,2
1.8GHz, 2.0GHz
MacBook Air
MacBook Air (11-inch Mid 2012)
(June, 2012)
Model ID: MacBookAir5,1
1.7GHz, 2.0GHz
MacBook Air
MacBook Air (13-inch Mid 2011)
(July, 2011)
Model ID: MacBookAir4,2
1.7GHz, 1.8GHz
MacBook Air
MacBook Air (11-inch Mid 2011)
(July, 2011)
Model ID: MacBookAir4,1
1.6GHz, 1.8GHz

Includes

  • (1) Mercury Helios 3S
  • (1) Thunderbolt 3 cable
  • (1) External power supply
  • (1) Power cable
  • (1) User guide
OWC Mercury Helios 3S Thunderbolt 3 PCIe Expansion Solution Mfr P/N: HELIOS3S OWC SKU: OWCHELIOS3S Featuring dual Thunderbolt 40Gb/s ports with up to 85W notebook charging, DisplayPort, and Thunderbolt 3 certification for Mac and Windows 3 Year OWC Limited Warranty Ships: Same Day only $229.75
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