Extend the utility of your Thunderbolt 4 device and streamline your workflow with the 4TB miniStack STX and Thunderbolt Hub Xpansion from OWC. Designed for large data storage needs and everyday tasks such as backups, photos, music and documents, this configuration is equipped with a 4TB SATA 3.5 hard drive in the drive bay, while an NVMe PCIe 4.0 x4 M.2 2280 SSD slot remains available for more intensive tasks. No matter what you do, the miniStack helps you store large files and connect powerful devices so you can work efficiently.