QNAP TR-002-24W-US 4TB 2-Bay USB 3.2 Gen 2 DAS

The QNAP TR-002-24W-US is a 2-bay direct-attached storage enclosure shipped with 4TB of capacity — two 2TB WD Red Plus HDDs pre-installed and pre-configured in RAID 1. The hardware RAID controller is the defining feature here: RAID logic is processed entirely within the enclosure, which means the host system sees a simple USB storage volume with zero RAID overhead on the CPU or OS. The USB 3.2 Gen 2 interface runs at 10Gbps, which is the correct bus for serious workloads — though at RAID 1 with spinning drives, sequential throughput will plateau around 150–200 MB/s, consistent with WD Red Plus performance characteristics rather than any bus-side limitation.

The TR-002 is built for professionals who need immediate data redundancy without NAS complexity — video editors who want a mirrored backup drive on a workstation, photographers archiving raw files, or small offices protecting critical working documents. Its dual-mode capability — standalone DAS or QNAP NAS expansion — is a genuine long-term value proposition: the same unit can serve a desktop today and extend a rack-mounted QNAP NAS tomorrow. Lockable drive bays protect against accidental drive removal in shared spaces. For users who find the HDD throughput limiting, the enclosure accepts standard 3.5-inch drives, meaning an SSD upgrade path exists within the same chassis.