Shipping included*
Exclusions
Additional shipping fees may apply in rare circumstances for deliveries outside standard service areas. In most cases, this only potentially affects shipments to the Northwest Territories and Yukon, as well as certain heavy or oversized items.
OWC OWCTB3GM000H16 Gemini Thunderbolt Dock & External Storage Solution - 2 x HDD Installed - 16 TB Total Capacity - Thunderbolt 3 - 2. 5GbE - RAID 0
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
This storage solution is built around a dual-bay architecture that supports both 2.5-inch and 3.5-inch drives, with two Serial ATA hard drives pre-installed and configured. The Thunderbolt 3 host interface delivers maximum data transfer rates up to 40 Gbit/s, ensuring minimal latency when working with high-resolution video, large datasets, or virtual machine images.
The integrated 2.5 Gigabit Ethernet port provides network connectivity that exceeds standard Gigabit speeds, while two USB 3.2 Gen 2 ports (10 Gbps) offer fast peripheral connections. Two additional Thunderbolt 3 ports enable daisy-chaining of compatible devices, and HDMI output supports direct monitor connection without requiring additional adapters.
This section brings together practical product details such as Number of Hard Drives Supported, Number of Hard Drives Installed, Total Hard Drive Capacity Installed, Ethernet Technology, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The OWC Gemini solution eliminates the need for separate storage arrays and docking stations by integrating both functions into a single device that connects via a single Thunderbolt 3 cable. This consolidation reduces desktop clutter while providing professional-grade storage performance and workstation expansion capabilities.
Dual-Purpose Design
Functions as both external storage and Thunderbolt dock, saving space and simplifying cable management for clean workstation setups.
- 16 TB pre-installed capacity
- Thunderbolt 3 connectivity
- 2.5GbE networking
Professional Storage Features
Includes hardware RAID support with multiple configuration options for different workflow requirements.
- RAID 0 for maximum performance
- RAID 1 for data protection
- JBOD and SPAN for flexibility
High-Speed Connectivity
Delivers Thunderbolt 3's full 40 Gbps bandwidth alongside 2.5 Gigabit Ethernet for fast file transfers across both local and network storage.
- 40 Gbit/s maximum throughput
- 2.5GbE network port
- USB 3.2 Gen 2 ports
Deployment / Use Cases
This storage and docking solution is ideal for creative professionals working with large media files, including video editors handling 4K or 8K footage, photographers managing extensive image libraries, and audio engineers working with multi-track sessions. The combination of high-capacity storage and fast Thunderbolt 3 connectivity ensures smooth playback and editing of high-resolution content without bottlenecks.
IT departments can deploy these units for localized backup solutions, providing fast restore capabilities for workstations while also serving as docking stations for laptop users. The RAID 1 mirroring configuration offers data protection for critical files, while the compact footprint makes it suitable for space-constrained environments like edit bays, control rooms, or shared workstations.
Media Production Workflows
Provides fast access to large video files and project assets with Thunderbolt 3 speeds, reducing render and export times for time-sensitive productions.
Workstation Consolidation
Replaces multiple peripherals with a single device that handles storage, networking, and peripheral connectivity through one Thunderbolt 3 connection.
Physical Profile
The enclosure measures 5.79 inches in height, 3.35 inches in width, and 9.37 inches in depth, with a weight of approximately 3.53 pounds. This compact form factor occupies minimal desk space while housing two 3.5-inch hard drives and the complete docking electronics. The vertical orientation and clean design make it suitable for placement beside monitors or in workstation setups where aesthetics matter alongside functionality.
- Width
- 3.35" (85 mm)
- Depth
- 9.37" (238 mm)
- Height
- 5.79" (147 mm)
- Weight
- 3.53 lb (1600 g)
Highlights
- 16 TB total installed hard drive capacity across two 8TB drives
- Thunderbolt 3 host interface with 40 Gbit/s maximum data transfer rate
- 2.5 Gigabit Ethernet port for high-speed network connectivity
- Hardware RAID support for 0, 1, JBOD, and SPAN configurations
- Two USB 3.2 Gen 2 ports (10 Gbps) for fast peripheral connections
- HDMI output for direct monitor connection
- Two Thunderbolt 3 ports for daisy-chaining compatible devices
- Compact vertical design measuring 5.79" H x 3.35" W x 9.37" D
- Supports both 2.5-inch and 3.5-inch drive form factors
- Single Thunderbolt 3 cable provides both data and power
Specifications
| Specifications | |
|---|---|
| Manufacturer | Other World Computing |
| Manufacturer Part Number | OWCTB3GM000H16 |
| 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 | 16 TB |
| Hard Drive Interface | Serial ATA |
| Hard Drive Configuration | 2 x 8TB |
| 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 |
| Physical Characteristics | |
| Height | 5.79" (147 mm) |
| Width | 3.35" (85 mm) |
| Depth | 9.37" (238 mm) |
| Weight (Approximate) | 3.53 lb (1600 g) |
User Manual
FAQ
What storage capacity comes pre-installed in this OWC Gemini unit?
This unit comes with 16 terabytes of total installed hard drive capacity, configured as two 8TB Serial ATA hard drives. Both drive bays are populated, providing immediate storage without requiring additional drive purchases or installation.
What types of RAID configurations does this storage solution support?
The integrated RAID controller supports four configurations: RAID 0 (striping for maximum performance), RAID 1 (mirroring for data protection), JBOD (treating each drive independently), and SPAN (combining drives into a single volume without striping). This flexibility allows you to choose the optimal balance of performance, capacity, and redundancy for your specific workflow.
What network connectivity does the dock provide?
The dock includes one 2.5 Gigabit Ethernet port, which provides 2.5 times the bandwidth of standard Gigabit Ethernet. This enables faster file transfers over network connections, making it ideal for collaborative workflows where multiple users need to access stored content simultaneously.
How many Thunderbolt 3 ports are available on this device?
The device has two Thunderbolt 3 ports: one serves as the host connection to your computer, while the second functions as a downstream port for daisy-chaining additional Thunderbolt 3 peripherals. Both ports support the full 40 Gbit/s Thunderbolt 3 bandwidth for maximum data transfer speeds.
What USB specifications are supported by the dock's USB ports?
The dock includes two USB 3.2 Gen 2 ports, each capable of 10 Gbps data transfer rates. These ports are backward compatible with USB 3.0/3.1 devices and can charge connected peripherals while providing fast data transfers for external drives, cameras, or other USB devices.
What are the physical dimensions and weight of this storage dock?
The enclosure measures 5.79 inches in height, 3.35 inches in width, and 9.37 inches in depth (147 mm x 85 mm x 238 mm), with an approximate weight of 3.53 pounds (1600 grams). The vertical design minimizes desk footprint while housing two 3.5-inch hard drives and all docking electronics in a single compact unit.
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.
Is the system designed for rack or tower deployment?
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.