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Silver square enclosure with three Thunderbolt ports

OWC

OWC miniStack STX 2TB NVMe Thunderbolt Hub

SKU CH-Q1ZH-5RH2M

A 2 TB NVMe drive with three Thunderbolt ports, 96 W charging and up to 770 MB/s speed for Mac, PC or tablet expansion

  • Total capacity2 TB
  • Interface typeThunderbolt
  • Product colorSilver

Capacity 2TB

  • Adds over 200x storage on Mac mini with 2TB NVMe
  • Three Thunderbolt ports connect up to five Thunderbolt devices
  • Works with Thunderbolt or USB Macs, PCs, iPads, Chromebooks
  • Delivers 96W notebook charging power via Thunderbolt or USB-C
  • Real-world 770MB/s speeds for 4K video editing and backup

Stackable 2 TB NVMe hub for Mac mini

The OWC miniStack STX adds 2 TB of NVMe storage and three Thunderbolt ports in a silver enclosure that matches the footprint of a Mac mini. It delivers up to 770 MB/s real-world throughput and supplies 96 W of charging power to a connected notebook. The stackable design lets the unit sit directly under the computer for a compact desktop expansion.

Creators needing high-speed storage and extra ports

Video editors and photographers who want fast local storage plus the ability to chain up to five Thunderbolt devices, three USB devices and two displays will benefit. Buyers who require internal SATA drive bays or legacy USB-A connectivity without adapters should look elsewhere.

770 MB/s real-world NVMe performance

The integrated NVMe M.2 PCIe SSD provides sustained read and write speeds of 770 MB/s, enabling smooth 4K video editing and rapid backups. This single figure determines whether the drive meets a workflow's throughput requirements.

How it compares

Measured against everything we stock in Portable USB SSDs, at today’s prices. Recalculated every night.

Price $573.99
Pricier than about 85% of the 410 comparable items (median $202.99).
Total capacity 2 TB
Higher than about 60% of the 311 comparable items (median 1 TB).
Price per TB $287.00 per TB
Pricier than about 86% of the 310 comparable items (median $142.00 per TB).

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Specifications

Product
Brand nameOWC
Total capacity2 TB
Product colorSilver
Ports & slots
Interface typeThunderbolt

Other versions of this model

3 more in the same range

Questions about this item

What does the Thunderbolt interface cap at in real-world use?

Up to 770MB/s real-world tested performance for saving, accessing, backing up data and editing 4K video.

What physical space does the miniStack STX need to sit alongside a Mac mini?

Sized identical to the Mac mini, it stacks directly on top using the same footprint.

How is the NVMe M.2 PCIe SSD installed, and what step is often missed?

Insert the NVMe M.2 PCIe SSD into the internal slot; the step often missed is securing it with the retention screw so the drive stays firmly seated.

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