QNAP TR-004U – 4-Bay USB RAID Expansion Enclosure for NAS & Servers  | Free Warranty 2-3 Years | amasouq.ae

The QNAP TR-004U is a compact rackmount direct-attached storage (DAS) enclosure designed to expand your QNAP NAS, PC, or server storage. Featuring 4 hot-swappable SATA drive bays and USB 3.2 Gen 1 connectivity, it supports hardware RAID configurations for reliable data protection and flexible storage management. Ideal for backup, file sharing, and storage expansion in small business and IT environments.

Your Data Your Control Your QNAP NAS

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🟦 QNAP TR-004U

🔹 Processor (CPU)

❌ Not applicable

👉 The QNAP TR-004U does NOT include a CPU, because it is a direct-attached storage (DAS) / RAID expansion enclosure, not a NAS.

📌 Key Point:

• No internal processing
• All RAID and data handling are managed by:
  • Connected QNAP NAS
  • Windows / Mac / Linux system

🔹 Memory (RAM)

❌ Not applicable

👉 This device does not have RAM because:

• It does not run an operating system
• It acts purely as external storage hardware

🔹 Storage (Drive Bays)

• Drive Bays: 4 × 3.5” / 2.5” SATA 6Gb/s
• Hot-swappable: Yes
• Drive Support: HDD & SSD

👉 RAID Support (Hardware + Software modes):

• Individual Mode
• JBOD
• RAID 0
• RAID 1 / RAID 10
• RAID 5

📌 Advantage:

• Flexible RAID configuration using DIP switches or software

🔹 RAID Control System

• Hardware RAID: Via DIP switches
• Software RAID: Via QNAP NAS or QNAP External RAID Manager

👉 Benefits:

• Easy setup without NAS load
• Flexible control depending on usage

🔹 Connectivity (Host Interface)

• Interface: USB 3.2 Gen 1 (Type-C)
• Speed: Up to 5Gbps
• Cable: USB-C to USB-A/C supported

👉 Key Benefit:

• Plug-and-play compatibility with:
  • QNAP NAS
  • Windows
  • macOS
  • Linux

🔹 Performance Overview

• Typical RAID 5 performance:
  • ~239 MB/s Read
  • ~224 MB/s Write

📌 Note:

• Performance depends on:
  • Host system
  • RAID type
  • Drives used

🔹 System Role (Important)

👉 This is NOT a NAS

It is:

• ✔ DAS (Direct-Attached Storage)
• ✔ RAID enclosure
• ✔ Storage expansion unit

❌ Not supported:

• Apps installation
• Independent operation
• Network access without host

🔹 Use Case Flexibility

• Expand NAS storage capacity
• External backup storage
• Server storage expansion
• Cross-platform file transfer

🔹 Ports & Physical Design

• USB Ports: 1 × USB Type-C
• Form Factor: 1U Rackmount (short-depth)
• Drive Trays: Lockable for safety
• Cooling: Built-in fan system

🔹 Power & Hardware

• Power Supply: Internal PSU
• Cooling: Active cooling (rack optimized)
• Rack Compatibility: 19-inch rack (optional rail kit)

🔹 Key Highlights

• 4-bay rackmount DAS enclosure
• USB 3.2 Gen 1 high-speed connectivity
• Hardware RAID + software RAID flexibility
• Cross-platform compatibility
• Ideal for NAS expansion and backup
• Compact 1U rack design

🎯 Best Use Cases

• Small business storage expansion
• Backup & disaster recovery
• Rack-mounted NAS extension
• Server storage scaling
• Data transfer between systems

❓ FAQ

1. Does TR-004U have CPU or RAM?

❌ No. It is a storage enclosure only, not a NAS.

2. Can I use it as a standalone NAS?

❌ No. It must be connected to:

• NAS
• PC
• Server

3. Does it support RAID?

✔ Yes:

• RAID 0, 1, 5, 10, JBOD, Individual modes

4. Is RAID hardware-based or software-based?

✔ Both supported:

• Hardware RAID (DIP switches)
• Software RAID (via NAS/PC)

5. Can I install apps on TR-004U?

❌ No, it has no OS or app system.

6. Is it compatible with all systems?

✔ Yes:

• QNAP NAS
• Windows
• macOS
• Linux

7. Can it expand NAS storage directly?

✔ Yes, but:

• Works as separate storage pool/volume
• Cannot merge into existing RAID inside NAS

8. What is the main advantage of TR-004U?

👉 Affordable + flexible RAID + rackmount design
Perfect for business storage expansion without upgrading NAS

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