QNAP TR-002 4TB RAID 1 DAS IronWolf — main product image

QNAP

QNAP TR-002 4TB RAID 1 DAS IronWolf

Name: QNAP TR-002 4TB RAID 1 DAS IronWolf
Brand: QNAP
SKU: TR-002

★★★★★4.2 (544 reviews)

The QNAP TR-002 ships with 4TB of Seagate IronWolf drives pre-configured in RAID 1 for plug-and-play mirrored USB-C storage.

$242.86*

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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 is a 2-bay direct-attached storage device that ships fully loaded with two Seagate IronWolf hard drives totaling 4TB of raw capacity, pre-configured in a RAID 1 mirror. This means you get 2TB of usable, redundant storage right out of the box — plug the USB Type-C cable into your Windows, macOS, or Linux computer and you're immediately protected against single-drive failure. The IronWolf drives are purpose-built for NAS and always-on environments, and each one includes Seagate's 3-year Rescue Data Recovery Services plan as an additional layer of data protection beyond the RAID itself.

What sets the TR-002 apart from a basic external drive enclosure is its dual-mode flexibility. In external storage mode, it functions as a standard USB DAS that any computer can recognize and use. But if you later acquire a compatible QNAP NAS, you can switch the TR-002 into NAS expansion mode, adding its bays to your NAS's storage pool without buying a dedicated expansion unit. The USB 3.2 Gen 2 interface ensures fast data throughput in either mode. For users who need a reliable, redundant backup target that can grow with their storage infrastructure, the TR-002 offers a compelling combination of simplicity and forward-looking versatility.

Key Features

4TB 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

Total Raw Capacity

4TB

Usable Capacity (RAID 1)

2TB

Pre-Installed Drives

Seagate IronWolf

RAID Configuration

RAID 1 (Preconfigured)

Number of Bays

Drive Size

3.5-inch SATA

Interface

USB 3.2 Gen 2 Type-C

Compatible OS

Windows, macOS, Linux

Operating Modes

External Storage (DAS) / NAS Expansion

Data Recovery

3-Year Seagate Rescue Data Recovery Services

Model

TR-002

Pros & Cons

👍 Pros

Arrives ready to use with IronWolf drives pre-installed and RAID 1 already configured
RAID 1 mirroring provides real-time data redundancy so a single drive failure won't cause data loss
USB 3.2 Gen 2 Type-C interface delivers fast transfer speeds to Windows, macOS, and Linux
Dual-mode operation lets you use it as a standalone DAS today and a NAS expansion unit later
Included 3-year Seagate Rescue Data Recovery plan adds an extra safety net beyond RAID protection

👎 Cons

RAID 1 configuration means only 2TB of the 4TB raw capacity is usable for storage
Two-bay design limits future expansion — you cannot add more drives to this unit
Larger and heavier than a simple portable USB drive, requiring dedicated desk space
Requires reformatting if switching between DAS mode and NAS expansion mode

Frequently Asked Questions

What does the RAID 1 preconfiguration mean for my usable storage?

RAID 1 mirrors data across both drives, so the 4TB total raw capacity (two 2TB drives) provides 2TB of usable storage. If one drive fails, your data remains intact on the other.

Can the TR-002 be used as a standalone DAS without a QNAP NAS?

Yes — the TR-002 connects via USB Type-C and works as a standard external storage device on Windows, macOS, and Linux without requiring any QNAP NAS hardware.

Can I also use the TR-002 as a NAS expansion unit?

Yes, the TR-002 supports dual modes. You can use it as a standalone DAS via USB, or connect it to a compatible QNAP NAS to expand that NAS's storage capacity as an expansion unit.

What data recovery coverage is included with the IronWolf drives?

The pre-installed Seagate IronWolf drives include a 3-year Rescue Data Recovery Services plan, which covers professional data recovery in case of drive failure, accidental damage, or natural disaster.

What interface does the TR-002 use to connect to a computer?

It uses a USB 3.2 Gen 2 Type-C connection, providing high-speed data transfer to any compatible computer or QNAP NAS.