The TR-002 USB 3.2 Gen 2 RAID expansion enclosure allows you to expand the capacity of your QNAP NAS and PC. The TR-002 can also be utilized as a DAS (Direct-attached Storage) device, allowing you to directly access its content just by connecting it via USB. The TR-002 features two 3.5-inch SATA drive bays with USB 3.2 Gen 2 Type-C connectivity to bring you a highly-reliable and secure storage capacity expansion solution.

https://www.qnap.com/en/product/tr-002

Received alongside a recent NAS purchase. Not needed for my purposes. Selling brand new and unopened, with 2-warranty from 25-Apr 2025 (extended 5-year warranty available).