Expand the utility of your Thunderbolt 4 enabled computer and streamline your workflow with the 20TB Ministack STX and Thunderbolt Hub Xpansion from OWC. Whether you are editing audio or high-definition video, the Ministack is there to help you store large files and connect high-powered devices so you can work efficiently.

Three Thunderbolt 4 (USB Type-C) ports are located on the back of the hub, along with a single Thunderbolt 4 port that also uses 60W Power Delivery to power and connect devices such as your notebook, tablet, and smartphone. Take advantage of multi-monitor setups, delivering 4K resolution at a 60 Hz refresh rate for an expanded view or use a single 8K display at a 30 Hz refresh rate for a more condensed view. The Ministack STX also includes a 18TB HDD and a 2TB NVMe SSD, giving you ample room to store a wide range of high-quality files. Designed to work in various environments, the Ministack STX supports multiple platforms including macOS, iPadOS, Windows 10, Linux, Chrome OS, and Android 11.

Storage System Speed

Save, access, backup data, and edit 4K video with up to 770 MB/s internal drive speeds, giving you the capabilities to perform a wide arrange of tasks and streamline your workflow.

Whisper-Quiet Design

An internal heat sink and high-efficiency cooling fan provide whisper-quiet operation, preventing loud and obtrusive noises that could be distracting.

Aluminum Housing

The sleek aluminum housing increases structural integrity for stacking capabilities while protecting your drives from damage caused by minor impacts.

Mac and Windows Compatible

The Ministack STX is compatible with both Apple Time Machine and Windows File History, giving you massive utility no matter what type of system you are working on.

Kensington Lock Slot

Keep your information extra secure by using a Kensington compatible locking mechanism that prevents physical theft of your Ministack STX.

Thunderbolt 4

Thunderbolt 4 technology has the capabilities to transfer data with speeds up to 40 Gb/s, allowing you to transfer information to and from your connected devices quickly. Additionally, you can daisy-chain up to five additional devices such as displays and storage arrays for a cohesive, streamlined workspace.

Specs

Storage Capacity	20 TB
Connection	1 x Thunderbolt 4 (USB Type-C)
Additional I/O	3 x USB Type-C Thunderbolt 4
Read Speed	Not Specified by Manufacturer
Write Speed	Not Specified by Manufacturer
Pre-Format	None

Internal Drive

Drives Supported	1 x 2.5"/3.5" 1 x M.2
Solid State Storage	1 x 2 TB M.2 NVMe PCIe
Hard Disk Storage	1 x 18 TB 3.5" SATA (7200 rpm)

External Enclosure

Security Features	Kensington Security Slot
Power Source	Included AC Adapter
AC Input Power	100 to 240 VAC, 50 / 60 Hz
Material	Aluminum
Cooling System	Fan/Passive Combo
Operating Temperature	32 to 86 degrees F / 0 to 30 degrees C
Storage Temperature	-4 to 140 degrees F / -20 to 60 degrees C
Dimensions (L x W x H)	7.8 x 7.8 x 1.5" / 19.8 x 19.8 x 3.8 cm

Packaging Info

Package Weight	5.865 lb
Box Dimensions (LxWxH)	14.7 x 9.5 x 3.3"

Box Contents

OWC 20TB Ministack STX %26 Thunderbolt Hub Xpansion
Thunderbolt 4 Cable
Power Supply

Warranty

Limited 3-Year Warranty

Customize your machine.

OWCT4MS6H18N02
18TB HDD + 2TB NVMe SSD

STORAGE

18TB HDD + 2TB NVMe SSD

18TB HDD + 4TB NVMe SSD