Financial Options Available
  • Affirm
  • Paypal Credit
Learn More
Requesting a Quote?
Looking for better pricing for an item? Create a new company account now togain access to quoting, quick ordering, and more. Learn more details here.
See an issue on this page? Let us know.

OWC Gemini 12TB 2-Bay Thunderbolt 3 Raid Array (2 x 6TB)

0 reviews
Questions about this product?
  • 12TB Storage Capacity
  • 2 x 6TB 3.5" 7200 rpm HDDs
  • 2 x Thunderbolt 3 | 2 x USB-A 3.2 Gen 2
  • 1 x 2.5 GbE LAN Port
  • 1 x HDMI 2.1 Port
  • SD Card Reader
  • Hardware RAID Controller
  • Supports SPAN, RAID 0, 1, & JBOD
  • Kensington Security Slot
  • 60mm Cooling Fan

The OWC Gemini 12TB 2-Bay Thunderbolt 3 Raid Array (2 x 6TB) is designed to handle scalable workloads, the Gemini can house all of your important data and quickly migrate information to and from your host system with multiple connectivity options.

Consisting of two 6TB 3.5" 7200 rpm HDDs, you get a total of 12TB, giving you ample room for your media files, data, and more. Equipped with a hardware RAID controller with the ability to utilize software RAID systems, the Gemini supports RAID 0, 1, SPAN, and JBOD levels, allowing you to set the parameters of your system to your liking. The OWC Gemini 12TB 2-Bay Thunderbolt 3 Raid Array (2 x 6TB) connects to your host system via Thunderbolt 3 ports with daisy-chaining capabilities and also includes two USB-A 3.2 Gen 2 ports for peripheral support. A 2.5 Gigabit Ethernet port supports networking capabilities with online management using optional software. You can connect a wide range of displays to the Gemini using the HDMI video output, producing up to 8K resolution at 120 Hz for a clear and fluid picture. With a front-facing SD card reader, you can manage data from your mobile devices such as phones, tablets, cameras, and more. A single 60mm 3000 rpm fan keeps your drives cool under extreme loads and optimize the lifespan of your equipment.

Thunderbolt 3

The Gemini uses two Thunderbolt 3 ports to send and receive data with speeds up to 40 GB/s. Additionally, a single Thunderbolt 3 host port supports up to 4K and 8K video resolution with refresh rates up to 120 and 60 Hz, respectively. It also uses Power Delivery technology to power your system while connected, preventing progress interruptions.

USB-A 3.2 Gen 2

Connect your peripherals, printers, and more with the dual USB-A 3.2 Gen 2 ports. Giving you up to 10 GB/s data transfer speeds and support for resource-demanding devices, you can optimize the throughput of your devices for enhanced speeds with lower latency.

2.5 Network Connection

The OWC Gemini features a 2.5 GB/s Ethernet port so you can transfer files and work up to 2.5x faster over wired networks and enjoy increased productivity in an IP-based workflow. Great for shared workspaces and workflows, file transfers breeze by quickly so you spend less time setting up and more time getting to work.

Dock Ejector

Safely disconnect multiple drives in a single click. OWC Dock Ejector was designed by OWC hardware and software engineers to ensure all data is written before disconnection, saving time and protecting against data loss. It makes losing your hard-earned work a thing of the past.

OWC Innergize

OWC Innergize is the first stage of the Capture to Completion ecosystem of OWC products, designed to provide professional photographers, videographers, and content creators with enhanced and streamlined workflow performance and reliability. This OWC custom-designed app is a complete health, performance, and field upgrade management tool when using OWC Atlas memory cards with OWC Atlas readers and reader equipped products.

System Compatibility

You can use the Gemini on number of different operating systems with ease, giving you enhanced flexibility where you need it. It is compatible with:


  • Windows 11, 10, and Server 2016
  • macOS 12.x and 13.x
  • iPadOS 15 and 16
  • Linux
  • ChromeOS 107 or Later

Additional Support

Designed for flexibility, the Gemini includes vast support for a number of systems and operations including:


  • Hot Plug Support
  • Boot Support
  • Jumbo Frame Support
  • Plug-and-Play Operation
  • RoHS Compliance
In the Box
  • OWC Gemini 12TB 2-Bay Thunderbolt 3 Raid Array (2 x 6TB)
  • Thunderbolt Cable
  • External Power Supply & Cable
  • OWC Dock Ejector Software Download
  • Limited 3-Year Manufacturer Warranty
More Information
Product ConditonNew
Included Drives

2 x 6 TB 3.5" HDD



Rotational Speed

7200 rpm


Number of Bays

2 x 3.5"


2 x USB-C Thunderbolt 3 (40 Gb/s) Input/Output 2 x USB-A 3.1/3.2 Gen 2 Input 1 x HDMI Output 1 x RJ45 2.5GbE Input/Output

Compatible Drive Interface


Media Card Slots


Hot-Swap Support


Carrier-Less Drive Bays


OS Compatibility

Windows 10 to 11 (64-Bit Only) Windows Server 2016 macOS 12 to 13 Linux iPadOS 15 to 16 Chrome OS 107 or Later *As of September, 2023: Check with manufacturer for the most up-to-date compatibility


AC Input Power

100 to 240 VAC, 50 / 60 Hz at 2 A

Power Source

AC Adapter

Power Consumption

120 W


Operating Temperature

41 to 95°F / 5 to 35°C

Operating Humidity

8 to 90%

Operating Altitude

-1,000 to 40,000' / -304.8 to 12,192 m

Storage Temperature

-4 to 140°F / -20 to 60°C

Storage Humidity

5 to 95%

Storage Altitude

-1,000 to 40,000' / -304.8 to 12,192 m


CE, FCC, VCCI, BSMI, RCM, RoHS *as per Manufacturer





1 x 3000 rpm 60 mm Fan

Noise Level

19.3 dBA

Cable Length

2.3' / 0.7 m

Material of Construction



9.4 x 5.8 x 3.3" / 23.9 x 14.7 x 8.4 cm


3.5 lb / 1588.0 g

Packaging Info

Package Weight

9.28 lb

Box Dimensions (LxWxH)

13.2 x 10.3 x 4.8"

WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
Copyright © 2023 Filmtools, a Magnasync/Moviola Company.