4 Things to Know About USB Expansion on the AS5402T
USB expansion works, but only externally You can connect external drive enclosures via USB 3.2 Gen 2 for additional storage.
No extra internal drive bays The chassis has no room for more internal drives beyond what it ships with.
USB 3.2 Gen 2 offers fast speeds The port supports up to 10 Gbps, which is adequate for most external storage needs.
External enclosures are your only option If you need more drives, plan on using USB-attached enclosures instead of internal expansion.