QNAP

QNAP TR-004-44R-US 4-Bay DAS 12TB IronWolf RAID 5 Bundle

4.4 (29 reviews)
USB 3.2

12TB of RAID 5-protected DAS storage, pre-built and plug-and-play ready via USB-C.

$1,298.00*
In Stock on Amazon.com
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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-004 is a 4-bay USB Direct Attached Storage enclosure with an onboard hardware RAID controller — and this bundle ships with four 4TB Seagate IronWolf drives pre-installed and pre-configured in RAID 5. That means you get 12TB of usable, fault-tolerant storage the moment you connect the included USB Type-C cable. RAID 5 stripes data with distributed parity across all four drives, meaning the array survives a single drive failure without data loss. The interface is USB 3.2 Gen 1, which delivers a real-world ceiling of roughly 450 MB/s — enough to keep pace with four SATA HDDs reading sequentially, though write performance under RAID 5 parity overhead will realistically land in the 150–200 MB/s range.

This unit is built for two primary deployment scenarios: standalone DAS attached to a workstation running Windows, macOS, or Linux, and capacity expansion or backup target for an existing QNAP NAS. For video editors, photographers, or small offices that need a large, redundant local archive without the complexity of network-attached storage, the pre-configured bundle removes every friction point — drive selection, RAID initialization, and compatibility validation are already done. The lockable bays and hardware RAID controller (which requires no OS driver) make this a set-and-forget storage appliance. Power users who want granular monitoring or software-defined RAID should look further up the product stack, but for reliable bulk storage with genuine fault tolerance out of the box, the TR-004 bundle delivers exactly what it promises.

Key Features

4 x 4TB Seagate IronWolf drives pre-installed and pre-configured with RAID 5. Hassle-free

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

USB Type-C Direct Attached Storage (DAS) for Windows, macOS and Linux

Use the TR-004 as external storage for NAS backup

Expand the capacity of your QNAP NAS

Supports 4 x 3.5/2.5-inch SATA 3Gb/s

USB 3.2 Gen 1 Port; Lockable drive Bays

Includes a USB Type-C to Type-A connector cable

Hardware RAID supports RAID 0, 1, 5, JBOD, and individual

Specifications

Total Capacity
12TB (4 x 4TB pre-installed)
Drive Model
Seagate IronWolf
RAID Configuration (Pre-set)
RAID 5
Supported RAID Modes
RAID 0, 1, 5, JBOD, Individual
Host Interface
USB Type-C (USB 3.2 Gen 1, 5 Gbps)
Drive Bay Compatibility
4 x 3.5" / 2.5" SATA 3Gb/s
Number of Bays
4
Included Cable
USB Type-C to Type-A
OS Compatibility
Windows, macOS, Linux
Drive Bay Security
Lockable
Data Recovery Plan
3-Year Seagate Rescue Data Recovery Services

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Pros & Cons

👍 Pros

  • Hardware RAID 5 controller requires no software driver — the OS sees a single logical volume immediately on connection.
  • Pre-installed 4 x 4TB IronWolf drives eliminate compatibility guesswork and deliver 12TB usable with one-drive redundancy.
  • USB 3.2 Gen 1 with Type-C connector provides ~450 MB/s real-world throughput, sufficient for four SATA HDD spindles.
  • Lockable drive bays physically secure drives against accidental ejection in shared or mobile environments.
  • Flexible RAID mode switch supports five configurations (RAID 0, 1, 5, JBOD, Individual), hardware-selectable without software.

👎 Cons

  • USB 3.2 Gen 1 (5 Gbps) is the bandwidth ceiling — USB 3.2 Gen 2 or Thunderbolt would offer headroom for future higher-density drive upgrades.
  • Hardware RAID controller is not visible to the OS, so you cannot monitor individual drive health or RAID rebuild status without QNAP-specific software.
  • Spinning SATA drives cap sequential write speeds around 150–200 MB/s in RAID 5 due to parity calculation overhead on the embedded controller.
  • No network interface — this is strictly DAS, so multi-user simultaneous access requires routing through a connected host.
  • 4 x 3.5/2.5-inch bays with SATA 3Gb/s limit (not 6Gb/s), capping per-drive interface bandwidth at half the current SATA standard.

Frequently Asked Questions

It comes pre-configured. The four 4TB IronWolf drives are already installed and initialized in RAID 5, giving you 12TB usable capacity with single-drive fault tolerance out of the box — no RAID controller setup required.
The TR-004 connects via USB 3.2 Gen 1 (5 Gbps). With four spinning SATA HDDs in RAID 5, the mechanical drives will saturate at roughly 400–500 MB/s sequential reads, which USB 3.2 Gen 1's ~450 MB/s real-world throughput can accommodate without significant bottlenecking.
Yes. The TR-004 is explicitly designed to connect to QNAP NAS units via USB for capacity expansion or as a dedicated backup destination. It also functions as standalone DAS for any host running Windows, macOS, or Linux.
RAID 5 tolerates a single drive failure. The array continues operating in a degraded state, and you can rebuild by replacing the failed IronWolf drive. The included 3-year Seagate Rescue Data Recovery plan adds an extra safety net if mechanical failure occurs.
Yes. The hardware RAID controller supports RAID 0, 1, 5, JBOD, and individual disk modes, switchable via the physical RAID mode switch on the unit. Note that changing modes will destroy existing data.