OWC miniStack STX Upgradable Storage Enclosure and Thunderbolt Hub / Mini Dock, 4 USB-C Ports, Supports 3.5" and 2.5" SSD, HDD, M.2 PCIe NVMe Upgrades. Works w/ Mac Studio, Mac Mini and other Devices --- Just like great duos Kirk and Spock, Frodo and Sam, or Woody and Buzz, the miniStack and the Mac mini have been the perfect pair since 2005. Now featuring Storage and Thunderbolt Xpansion, the miniStack STX continues its award-winning legacy as the best sidekick a Mac mini can have. With a universal SATA HDD/SSD bay AND an NVMe M.2 PCIe SSD slot, you can expand your mini’s storage capacity to gigantic proportions. Three Thunderbolt (USB-C) ports enable you to connect to millions of Thunderbolt, USB, and future USB4 drives, displays, A/V mixers, cameras, tablets, and desktop accessories like a keyboard, card reader, or mouse. The possibilities of how you can use your Mac mini is now only limited to your imagination.