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OWC OWCTB3GM000H08 Gemini Thunderbolt Dock and External Storage Solution - 2 x HDD Installed - 8 TB HDD Capacity - Serial ATA - Thunderbolt 3 Host
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Product Features
Technical Overview
The Gemini features a Serial ATA controller that manages the installed hard drives, supporting RAID levels 0, 1, JBOD, and SPAN for data redundancy, performance, or spanning configurations. This allows users to tailor storage to their specific needs, whether prioritizing speed with RAID 0 or data protection with RAID 1.
Connectivity is centered around Thunderbolt 3, delivering up to 40 Gbit/s data transfer rates for rapid file access and system responsiveness. The host interface ensures compatibility with modern Mac and PC systems, while the dual Thunderbolt 3 ports enable daisy-chaining of additional peripherals. Network capabilities include a single 2.5 Gigabit Ethernet port for high-speed wired connections, reducing reliance on Wi-Fi for data-intensive tasks.
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 stands out by merging robust storage expansion with practical docking features. Its RAID support offers flexibility for data management, while the 2.5 Gigabit Ethernet port enhances network performance beyond standard Gigabit speeds. The compact form factor, measuring 5.79" x 3.35" x 9.37", makes it suitable for desktop use without occupying excessive space.
Integrated Storage and Docking
Eliminates the need for separate storage enclosures and docking stations, saving desk space and simplifying cable management. The all-in-one design provides both substantial storage capacity and essential ports in a single device.
High-Speed Data Transfer
Thunderbolt 3 technology enables maximum data transfer rates of 40 Gbit/s, significantly faster than USB 3.2 or Gigabit Ethernet. This speed is crucial for working with large video files, high-resolution images, or complex datasets.
Deployment / Use Cases
This solution is well-suited for users seeking to expand their system's storage while adding docking functionality. It supports daisy-chaining via its second Thunderbolt 3 port, allowing connection of additional displays or storage devices. The RAID configurations enable use cases ranging from high-performance scratch disks to mirrored backups, adapting to different professional or personal needs.
Creative Professionals
Ideal for video editors, photographers, and graphic designers who need fast access to large media libraries. The 8 TB capacity and Thunderbolt 3 speed support 4K/8K video editing, photo retouching, and asset management workflows.
Small Office and Home Office
Serves as a centralized storage and connectivity hub for SOHO environments. The docking capabilities reduce clutter by consolidating monitors, peripherals, and network connections, while the storage provides backup for critical business data.
Physical Profile
The Gemini has a compact desktop footprint with dimensions of 5.79 inches in height, 3.35 inches in width, and 9.37 inches in depth. Its weight of approximately 3.53 pounds ensures stability without being cumbersome. The design prioritizes efficient use of space, making it easy to position on a desk or shelf alongside other workstation components.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 5.79" (147 mm), 3.35" (85 mm), 9.37" (238 mm), 3.53 lb (1600 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 3.35" (85 mm)
- Depth
- 9.37" (238 mm)
- Height
- 5.79" (147 mm)
- Weight
- 3.53 lb (1600 g)
Highlights
- 8 TB installed hard drive capacity across two 4 TB Serial ATA drives
- Thunderbolt 3 host interface with 40 Gbit/s maximum data transfer rate
- Supports RAID levels 0, 1, JBOD, and SPAN for flexible storage configurations
- Includes 2.5 Gigabit Ethernet port for high-speed network connectivity
- Two Thunderbolt 3 ports enable daisy-chaining of additional peripherals
- Two USB 3.2 Gen 2 ports for fast data transfer and device charging
- HDMI output for connecting external displays or monitors
- Compact desktop form factor measuring 5.79" x 3.35" x 9.37"
Specifications
| Specifications | |
|---|---|
| Manufacturer | Other World Computing |
| Manufacturer Part Number | OWCTB3GM000H08 |
| 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 | 8 TB |
| Hard Drive Interface | Serial ATA |
| Hard Drive Configuration | 2 x 4TB |
| 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 is the total installed storage capacity of the OWC Gemini?
The OWC Gemini comes with 8 TB of installed hard drive capacity. This is achieved through two 4 TB Serial ATA hard drives pre-installed in the unit, providing substantial storage for large files, media libraries, or backup archives right out of the box.
What RAID configurations does this storage solution support?
This DAS storage system supports RAID levels 0, 1, JBOD, and SPAN. RAID 0 stripes data across drives for enhanced performance, RAID 1 mirrors data for redundancy, JBOD treats drives independently, and SPAN combines drives into a single volume without striping or mirroring.
How many drive bays does the Gemini have, and what sizes does it accommodate?
The Gemini has two drive bays that support both 2.5-inch and 3.5-inch hard drives or solid-state drives. Both bays are populated with 3.5-inch hard drives in the default configuration, but the system can accommodate 2.5-inch drives if needed for future upgrades or different storage types.
What types of ports are available on the Thunderbolt dock?
The integrated dock includes two Thunderbolt 3 ports for host connection and daisy-chaining, two USB 3.2 Gen 2 ports for peripherals, one HDMI port for display output, and one 2.5 Gigabit Ethernet port for network connectivity. This combination provides comprehensive expansion capabilities for modern workstations.
What is the maximum data transfer rate supported by this device?
The maximum data transfer rate is 40 Gbit/s, achieved through the Thunderbolt 3 interface. This high-speed connection enables rapid file transfers, smooth playback of high-resolution media, and responsive access to stored data, making it suitable for demanding professional applications.
Can I use this device with both Mac and PC systems?
Yes, the OWC Gemini is compatible with both Mac and PC systems that have Thunderbolt 3 ports. Thunderbolt 3 is widely supported on modern computers from Apple, Dell, HP, Lenovo, and other manufacturers, ensuring broad compatibility across different platforms and operating systems.
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.
| Qty | Price | Available |
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