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OWC OWCTB3GM000H24 Gemini Thunderbolt Dock & DAS Storage System - 24TB Installed HDD - 2 Bays - RAID 0/1/JBOD/SPAN - 2x Thunderbolt 3 - 2. 5GbE
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Product Features
Technical Overview
This DAS storage system is engineered around a dual-bay architecture that supports two 3.5" or 2.5" SATA drives. The unit ships with both bays populated, delivering 24TB of raw storage capacity via two 12TB hard drives. The Serial ATA controller enables RAID 0, 1, JBOD, and SPAN configurations, allowing users to optimize for striping performance, mirroring redundancy, or spanning capacity across the drives.
Connectivity is anchored by Thunderbolt 3, providing a maximum data transfer rate of 40 Gbit/s for rapid file access and backup operations. The integrated 2.5 Gigabit Ethernet port offers network performance beyond standard Gigabit, suitable for high-bandwidth NAS backups or collaborative work environments. The dock includes two downstream Thunderbolt 3 ports for daisy-chaining additional peripherals and two USB 3.2 Gen 2 ports (10 Gbps) for fast accessory connectivity.
Key Product Advantages
The OWC Gemini consolidates external storage and desktop docking into a single, streamlined device, reducing cable clutter and simplifying workstation setups. Its pre-installed 24TB capacity offers immediate, substantial storage for large media libraries, project archives, or backup targets without requiring user drive installation.
Integrated Storage & Docking
Eliminates the need for separate storage enclosures and docking stations, saving desk space and simplifying connectivity management through a single Thunderbolt 3 cable to the host computer.
- Combines DAS storage with Thunderbolt 3 dock
- Single-cable connection to host
- Reduces peripheral count
Flexible RAID Options
The supported RAID 0, 1, JBOD, and SPAN modes provide configurable balance between performance, capacity, and data protection to match specific workflow requirements.
- RAID 0 for maximum speed
- RAID 1 for data mirroring
- JBOD for independent drives
High-Speed Connectivity Suite
Thunderbolt 3 ensures ultra-fast storage access and peripheral throughput, while 2.5GbE networking future-proofs connectivity for faster file transfers across networks.
- 40 Gbit/s Thunderbolt 3
- 2.5 Gigabit Ethernet
- USB 3.2 Gen 2 ports
Deployment / Use Cases
This solution is ideal for professionals who require both expansive local storage and enhanced workstation connectivity. Video editors and photographers can use it as a primary project drive with RAID 0 for editing performance or RAID 1 for project backup, while simultaneously connecting monitors, networks, and peripherals through the dock.
In business environments, it serves as a centralized storage node for departmental data, backups, or archival purposes. The desktop form factor makes it suitable for office settings, creative studios, or remote workstations where rackmount hardware isn't practical. The Thunderbolt 3 connectivity ensures compatibility with modern Mac and Windows laptops and desktops, providing a plug-and-play storage and expansion hub.
Media Production Workstation
Provides high-capacity, fast storage for 4K/8K video projects, photo libraries, and audio files, with docking ports for monitors, audio interfaces, and network connections.
- Large raw media storage
- Fast access for editing
- Peripheral connectivity
Business Data Hub
Acts as a local storage repository for team files, backups, or archives, with 2.5GbE facilitating quicker network transfers compared to standard Gigabit Ethernet.
- Departmental storage
- Local backup target
- Enhanced network speed
Physical Profile
The Gemini features a compact desktop form factor measuring 5.79" high, 3.35" wide, and 9.37" deep (147 x 85 x 238 mm), designed to fit conveniently on a desk or shelf. Its 3.53 lb (1600 g) weight ensures stability without being cumbersome. The desktop orientation and modest footprint make it suitable for various workspace configurations without requiring dedicated rack space.
- Width
- 3.35" (85 mm)
- Depth
- 9.37" (238 mm)
- Height
- 5.79" (147 mm)
- Weight
- 3.53 lb (1600 g)
What's in the Box
The package includes all necessary components for immediate setup and operation.
Highlights
- 24TB installed HDD capacity across two 12TB drives
- Dual-bay desktop DAS storage system with RAID 0/1/JBOD/SPAN support
- Thunderbolt 3 host interface with 40 Gbit/s maximum data transfer rate
- Integrated 2.5 Gigabit Ethernet port for high-speed networking
- Two downstream Thunderbolt 3 ports for daisy-chaining peripherals
- Two USB 3.2 Gen 2 (10 Gbps) ports for fast accessory connectivity
- HDMI output for external display support
- Desktop form factor with compact dimensions for workspace placement
- Includes Thunderbolt cable, power supply, and comprehensive documentation
- 3-year limited warranty and RoHS/WEEE environmental compliance
Specifications
| Specifications | |
|---|---|
| Manufacturer | Other World Computing |
| Manufacturer Part Number | OWCTB3GM000H24 |
| Brand Name | OWC |
| Product Line | Gemini |
| Product Name | Gemini Thunderbolt Dock and External Storage Solution |
| Packaged Quantity | 1 |
| Product Type | DAS Storage System |
| Storage | |
| Number of Hard Drives Supported | 2 |
| Number of Hard Drives Installed | 2 |
| Total Hard Drive Capacity Installed | 24 TB |
| Hard Drive Interface | Serial ATA |
| Hard Drive Configuration | 2 x 12TB |
| Number of Solid State Drive Supported | 2 |
| Number of Solid State Drive Installed | 0 |
| Maximum Data Transfer Rate | 40 Gbit/s |
| Network & Communication | |
| Ethernet Technology | 2.5 Gigabit Ethernet |
| I/O Expansions | |
| Number of Total Expansion Bays | 2 |
| Number of 2.5"/3.5" Bays | 2 |
| Controllers | |
| Controller Type | Serial ATA |
| RAID Supported | Yes |
| RAID Levels | 0, 1, JBOD, SPAN |
| Interfaces/Ports | |
| Drive Interface | Serial ATA |
| Host Interface | Thunderbolt 3 |
| HDMI | Yes |
| Total Number of USB Ports | 2 |
| Number of USB 3.2 Gen 2 Ports | 2 |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Number of Thunderbolt 3 Ports | 2 |
| Power Description | |
| Number of Power Supplies Installed | 1 |
| Maximum Power Supply Wattage | 120 W |
| Physical Characteristics | |
| Height | 5.79" (147 mm) |
| Width | 3.35" (85 mm) |
| Depth | 9.37" (238 mm) |
| Form Factor | Desktop |
| Weight (Approximate) | 3.53 lb (1600 g) |
| Miscellaneous | |
| Package Contents | Gemini Thunderbolt Dock and External Storage Solution 1 x 0.7M (28") Thunderbolt (USB-C) Cable 1 x External Power Supply and Power Cable 1 x Quick Start Guide for OWC Gemini 1 x Support Manual for OWC Gemini 1 x OWC Dock Ejector for Mac and Windows (software download) 1 x User Guide for OWC Dock Ejector |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 3 Year |
User Manual
FAQ
What is the total installed storage capacity of the OWC Gemini?
The OWC Gemini Thunderbolt Dock and External Storage Solution comes pre-configured with 24 terabytes (TB) of hard drive storage. This capacity is achieved through two installed 12TB Serial ATA hard drives, providing substantial space for large files, media projects, or backup archives right out of the box.
How many drive bays does this DAS storage system have, and are they pre-populated?
This unit has two drive bays that support both 3.5" and 2.5" SATA drives. Both bays are pre-populated with hard drives from the factory, so no additional drive installation is required for initial use. The bays can also accommodate solid-state drives if you choose to upgrade or reconfigure the storage later.
What RAID configurations are supported by the OWC Gemini?
The built-in Serial ATA controller supports RAID 0 (striping for performance), RAID 1 (mirroring for redundancy), JBOD (treating each drive independently), and SPAN (combining drives into a single volume without striping). This flexibility allows you to optimize the storage for speed, data protection, or capacity based on your specific workflow needs.
What types of connectivity ports are included on the docking station?
The docking portion provides two Thunderbolt 3 ports (one for host connection, one downstream for daisy-chaining), a 2.5 Gigabit Ethernet RJ-45 port, two USB 3.2 Gen 2 ports (10 Gbps), and an HDMI output. This suite of ports enables high-speed data transfer, fast networking, peripheral connections, and external display support through a single Thunderbolt 3 connection to your computer.
What is the maximum data transfer rate via Thunderbolt 3?
The Thunderbolt 3 interface supports a maximum data transfer rate of 40 gigabits per second (Gbit/s). This high bandwidth ensures rapid access to the stored data on the hard drives and enables fast file transfers between the storage system and your computer, which is particularly beneficial for working with large video files or performing backups.
What is included in the box with the OWC Gemini?
The package includes the Gemini Thunderbolt Dock and External Storage Solution unit itself, a 0.7-meter (28-inch) Thunderbolt 3 (USB-C) cable for connecting to your host computer, an external power supply with its power cable, a quick start guide, a support manual, a software download for the OWC Dock Ejector utility (for safe drive disconnection on Mac and Windows), and a user guide for that utility. All necessary components for setup and operation are provided.
How many cores are listed?
the specifications are intended to help buyers confirm fit, compatibility, and expected day-to-day operation. In practical terms, the best reading of this product comes from how its hardware, connectivity, and deployment details work together.
| Qty | Price | Available |
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