OWC miniStack STX Stackable Storage Enclosure with Thunderbolt Hub Xpansion - Silver

The OWC miniStack STX is a stackable storage enclosure that combines a Thunderbolt 4 hub with dual drive bays, designed to match the Mac mini form factor. It adds 3x Thunderbolt 4 ports, 3x USB 3.2 Gen 2 Type-A ports, and a 2.5 Gigabit Ethernet port, while providing 60W power delivery to the host. The enclosure supports one 3.5-inch SATA III drive (up to 18TB) and one NVMe M.2 SSD (PCIe 3.0 x4, up to 8TB), making it ideal for expanding storage and connectivity in a compact, stackable design.

Advantages

Expand your Mac mini or PC with additional high-speed storage and Thunderbolt 4 connectivity without cluttering your desk. The stackable design perfectly matches the Mac mini aesthetic, and the integrated fan ensures reliable cooling for demanding workloads. With 60W power delivery, you can charge your laptop while using a single cable connection.

Suitable for

• Creative professionals needing fast external storage for video editing, 3D rendering, or large file transfers
• Users who want to expand the storage capacity of a Mac mini or small form factor PC
• Anyone requiring additional Thunderbolt 4 and USB-A ports with high-speed networking

Key specifications

• Host Connectivity: 1x Thunderbolt 4 (USB-C)
• Downstream Thunderbolt Ports: 3x Thunderbolt 4 (USB-C)
• USB-A Ports: 3x USB 3.2 Gen 2 Type-A (10Gb/s)
• Ethernet: 1x 2.5 Gigabit Ethernet (RJ45)
• Internal Drive Bay 1: 1x 3.5-inch SATA III (6Gb/s) HDD/SSD (up to 18TB)
• Internal Drive Bay 2: 1x NVMe M.2 SSD (PCIe 3.0 x4) (up to 8TB)
• Power Delivery: 60W to host
• Display Support: Up to 8K @ 60Hz or dual 4K @ 60Hz
• Daisy Chain: Up to 5 Thunderbolt devices
• Material: Aluminum
• Colour: Silver
• Cooling: Integrated fan
• Compatibility: macOS 11.1 Big Sur or later, Windows 10 or later
• Included Cable: Thunderbolt 4 cable

Recommendations

For optimal performance, install a high-speed NVMe SSD in the M.2 slot for your operating system and frequently used applications, and use the 3.5-inch bay for bulk storage or backups. Ensure your system meets the minimum OS requirements before use.