QNAP

QNAP TR-002-28ST-US 8TB RAID 1 USB-C DAS

4.2 (600 reviews)
USB-C

Plug-and-play 8TB RAID 1 storage expansion with USB-C speed and Seagate IronWolf reliability for NAS or PC.

$569.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The QNAP TR-002-28ST-US is a compact 2-bay direct-attached storage enclosure designed to serve double duty as either a NAS expansion unit or a standalone external drive for PCs. This particular bundle arrives pre-loaded with two 4TB Seagate IronWolf hard drives configured in RAID 1, meaning your data is automatically mirrored across both drives for protection against single-drive failure. The onboard hardware RAID controller handles all parity and mirroring calculations independently, keeping your host device's CPU free and ensuring consistent performance regardless of your computer's processing power.

Connectivity comes via USB 3.2 Gen 2 Type-C, supporting transfer speeds up to 10Gbps — more than sufficient for the throughput of two mechanical hard drives. For QNAP NAS owners, the TR-002 can operate as seamless expansion storage, adding capacity to an existing QNAP setup without occupying network bandwidth. For everyone else, it functions as a standard USB external drive compatible with Windows, macOS, and Linux. The included Seagate IronWolf drives are purpose-built for always-on, multi-bay environments and include a 3-year Rescue Data Recovery Services plan, providing a professional recovery option in the event of accidental deletion, natural disaster, or hardware failure beyond the RAID's protection.

Key Features

8TB Seagate IronWolf drives pre-installed and pre-configured with RAID 1

Seagate IronWolf drives include a robust 3-year Rescue Data Recovery Services plan

High-speed direct-attached storage device via USB Type-C for Windows, macOS and Linux

TR-002 can be used as a DAS for external storage mode. Optional to use either the NAS expansion storage mode or the external storage mode

Expand the capacity of your QNAP NAS. Use TR-002 instead of a conventional NAS expansion unit

Specifications

Brand
QNAP
Model
TR-002-28ST-US
Total Storage Capacity
8TB (2 x 4TB)
Hard Drives
2 x 4TB Seagate IronWolf HDD
RAID Configuration
Pre-configured RAID 1
Supported RAID Modes
RAID 0, RAID 1, JBOD, Individual
Interface
USB 3.2 Gen 2 Type-C
Drive Bays
2 x 3.5-inch SATA
RAID Type
Hardware RAID
OS Compatibility
Windows, macOS, Linux
Data Recovery
3-year Seagate Rescue Plan

Pros & Cons

👍 Pros

  • Pre-configured RAID 1 eliminates setup complexity and provides immediate data redundancy
  • USB 3.2 Gen 2 Type-C delivers fast transfer speeds up to 10Gbps
  • Hardware RAID controller handles processing without burdening the host system
  • Dual-mode operation works as both NAS expansion storage and standalone external drive
  • Seagate IronWolf drives include 3-year Rescue Data Recovery Services

👎 Cons

  • RAID 1 configuration cuts usable capacity in half, yielding only 4TB from 8TB total
  • Limited to two drive bays, restricting future expansion within this enclosure
  • 3.5-inch drive bays make the unit relatively bulky for a portable DAS solution
  • Requires a QNAP NAS to use the NAS expansion mode — incompatible with other NAS brands for that feature

Frequently Asked Questions

Yes, this bundle comes pre-configured with two 4TB Seagate IronWolf HDDs in a RAID 1 configuration, ready to use out of the box.
In the pre-configured RAID 1 setup, one drive mirrors the other for redundancy, so you get approximately 4TB of usable storage with full data protection.
The TR-002 supports both modes — it can serve as a NAS expansion unit for QNAP NAS devices or as an external storage device for Windows, macOS, and Linux computers via USB-C.
The TR-002 supports hardware RAID 0, RAID 1, JBOD, and individual disk modes, so you can reconfigure it to prioritize speed or redundancy depending on your needs.
Yes, the included Seagate IronWolf drives come with a 3-year Rescue Data Recovery Services plan for added peace of mind.