QNAP TR-004U User manual

External RAID
Enclosure
TR-004U
User Guide
Document Version: 3
07/12/2020

Contents
1. Preface
About This Guide.......................................................................................................................................... 3
Audience.......................................................................................................................................................3
Document Conventions................................................................................................................................ 3
2. Product Overview
About the TR-004U.......................................................................................................................................4
Hardware Specifications............................................................................................................................... 4
Package Contents........................................................................................................................................ 6
Components................................................................................................................................................. 6
Front Panel...............................................................................................................................................6
Rear Panel................................................................................................................................................6
Drive Numbering.......................................................................................................................................7
Safety Information.........................................................................................................................................7
Installation Requirements............................................................................................................................. 8
Setting up the RAID Enclosure..................................................................................................................... 8
3. Hardware Installation
Drive Installation......................................................................................................................................... 10
Installing 3.5-inch Drives on 3.5-inch Trays............................................................................................10
Installing 2.5-inch Drives on 3.5-inch Trays............................................................................................12
Installing Handles....................................................................................................................................... 15
Connecting the RAID Enclosure to a NAS..................................................................................................16
Connecting the RAID Enclosure to a Server.............................................................................................. 17
Attaching the USB Cable Clip.....................................................................................................................18
Removing a USB Cable from the USB Cable Clip......................................................................................20
Rail Kits.......................................................................................................................................................21
4. RAID Configuration
Supported RAID Types............................................................................................................................... 22
Storage Modes........................................................................................................................................... 23
Storage Modes and Platform Support.................................................................................................... 24
Mode Switch............................................................................................................................................... 24
Configuring RAID Settings Using the Mode Switch................................................................................25
5. Basic Operations
Set Button................................................................................................................................................... 27
LEDs........................................................................................................................................................... 27
Audio Alert.................................................................................................................................................. 29
Standby Mode.............................................................................................................................................29
6. Troubleshooting
Forcing Storage & Snapshots or QNAP External RAID Manager to Recognize the External RAID
Enclosure....................................................................................................................................................31
Hot-swapping Failed Drives........................................................................................................................31
Support and Other Resources.................................................................................................................... 32
7. Glossary
QTS.............................................................................................................................................................33
QNAP External RAID Manager...................................................................................................................33
QNAP External RAID Enclosure User Guide
1

Storage & Snapshots..................................................................................................................................33
8. Notices
Limited Warranty.........................................................................................................................................34
Disclaimer................................................................................................................................................... 34
GNU Public License....................................................................................................................................34
FCC Notice................................................................................................................................................. 42
CE Notice....................................................................................................................................................42
SJ/T 11364-2006.........................................................................................................................................42
VCCI Notice................................................................................................................................................ 43
BSMI Notice................................................................................................................................................43
2

1. Preface
About This Guide
This guide provides information on the QNAP TR-004U external RAID enclosure and step-by-step
instructions on installing the hardware. It also provides instructions on basic operations and troubleshooting
information.
Audience
This document is intended for consumers and storage administrators. This guide assumes that the user has
a basic understanding of storage and backup concepts.
Document Conventions
Symbol Description
Notes provide default configuration settings and other supplementary
information.
Important notes provide information on required configuration settings and other
critical information.
Tips provide recommendations or alternative methods of performing tasks or
configuring settings.
Warnings provide information that, when ignored, may result in potential loss,
injury, or even death.
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Preface 3

2. Product Overview
This chapter provides basic information about the QNAP TR-004U external RAID enclosure.
About the TR-004U
The TR-004U external RAID enclosure is designed to increase the capacity and utility of your NAS or server.
It provides RAID, JBOD, and port multiplier support for added compatibility and security across multiple
platforms. The TR-004U features a mode switch for easy and accessible RAID configuration, and its USB 3.0
Type-C port ensures quick and efficient data transfer.
Hardware Specifications
Warning
If your QNAP product has hardware defects, return the product to QNAP or a QNAP-
authorized service center for maintenance or replacement. Any attempt to repair or
perform maintenance procedures on the product by you or an unauthorized third party
invalidates the warranty.
QNAP is not responsible for any damage or data loss caused by unauthorized
modifications and installation of unsupported third-party applications.
For details, see the QNAP Warranty Terms and Conditions.
Component TR-004U
Ordering Information
Ordering P/N TR-004U
Storage
Drive bays 4 x 3.5-inch SATA 3 Gbps
Note
The TR-004U is compatible with SATA 6 Gbps
drives.
Drive compatibility • 3.5-inch SATA hard disk drives
• 2.5-inch SATA hard disk drives
• 2.5-inch SATA solid-state drives
Hot-swapping Yes
External I/O Ports & Expansion Slots
USB ports 1 x USB 3.0 Type-C
Important
This port is only for connecting the RAID
enclosure to a NAS or server.
Interface
Buttons Set
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Product Overview 4

Component TR-004U
Switches • Power
Important
QNAP recommends waiting at least two
seconds after powering off the RAID enclosure
before powering it on again.
• Mode
Dimensions
Form factor 1 U Rackmount
Dimensions (H x W x D) 44 x 439 x 291 mm
(1.7 x 17.3 x 11.4 in)
Net weight 4.04 kg (8.91 lbs)
Other
Rail compatibility RAIL-B02
Note
• Rail kits are not included with the RAID
enclosure and must be purchased
separately. For details, contact an
authorized reseller or go to http://
shop.qnap.com.
• Information on rail kit installation can be
found in the installation guide included in
the rail kit package.
Power supply unit 100W, 100-240V AC, 50/60 Hz, open-frame
Warning
To reduce the risk of fire or electric shock,
ensure that you only connect the power cord
to a properly grounded electrical outlet.
Sound level 23.1 dB(A)
Note
The sound level was tested at a bystander
position, which is within one meter of the test
device. The test device operated at low speed
with the maximum number of drives installed.
Fans System: 2 x 4 cm, 12V DC smart fan
Warning
To avoid potential injury or damage to
components, do not touch the fans while the
device is connected to a power source.
Operating temperature 0˚C to 40˚C (32˚F to 104˚F)
Relative humidity • Non-condensing relative humidity: 5% to 95%
• Wet-bulb temperature: 27˚C (80.6˚F)
Security slot Kensington security slot
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Product Overview 5

Tip
Model specifications are subject to change without prior notice. To see the latest
specifications, go to https://www.qnap.com.
Package Contents
Item Quantity
TR-004U 1
Power cord 1
USB Type-C to Type-A connector cable 1
Drive tray keys 2
USB cable clip 1
Screws for 3.5-inch drives 16
Screws for 2.5-inch drives 12
Handle kit • 2 x handles
• 2 x angle brackets
• 8 x screws
Quick Installation Guide (QIG) 1
Components
Front Panel
No. Component No. Component
1 Drive LEDs 3 Status LED
2 USB LED - -
Rear Panel
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Product Overview 6

No. Component No. Component
1 USB cable clip slot 5 Power switch
2 USB 3.0 Type-C port 6 Kensington security slot
3 Mode switch 7 Power input
4 Set button - -
Drive Numbering
Safety Information
The following instructions help ensure personal safety and environmental safety. Read these instructions
carefully before performing any operations.
General Instructions
• The device should be stored in a secure location with restricted access, controlled through the use of a
tool, lock and key, or any means of security.
• Only qualified, skilled, and authorized persons with knowledge of all restrictions, safety precautions,
and installation and maintenance procedures should have physical access to the device.
• To avoid potential injury or damage to components, ensure that the drives and other internal system
components have cooled before touching them.
• Observe electrostatic discharge (ESD) procedures to avoid potential injury or damage to components.
Power
• To reduce the risk of fire or electric shock, ensure that you only connect the power cord to a properly
grounded electrical outlet.
•
Devices with redundant power supply may have one or more power supply unit (PSU) cords. To avoid
serious injuries, a trained service technician must disconnect all PSU cords from the device before
installing or replacing system components.
System Battery
• To avoid potential battery explosion, causing injury or damage to components, ensure that you replace
the existing battery with a battery of the same type.
• Dispose of used batteries properly according to local regulations or the instructions of the battery
manufacturer.
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Product Overview 7

Moving Parts
•
Moving fan blades: Keep your body parts away from moving fan blades while the device is connected
to a power source.
•
Moving components: Keep your body parts away from other moving components.
Installation Requirements
Category Item
Environment • Room temperature: 0˚C to 40˚C (32˚F to 104˚F)
• Non-condensing relative humidity: 5% to 95%
• Wet-bulb temperature: 27˚C (80.6˚F)
• Flat, anti-static surface without exposure to direct sunlight, liquids,
or chemicals
Hardware and peripherals • NAS or server
• Storage drives
For details on compatible drives, go to https://www.qnap.com/
compatibility/.
• USB connector cable
Tools • Phillips #1 or #2 screwdriver
• Anti-static wrist strap
Setting up the RAID Enclosure
1. Place the RAID enclosure in an environment that meets the requirements.
For details, see Installation Requirements.
2. Install the RAID enclosure on a rack.
For details, see the following topics:
•Rail Kits
•Installing Handles
3. Install the drives.
For details, see the following topics:
•Installing 3.5-inch Drives on 3.5-inch Trays
•Installing 2.5-inch Drives on 3.5-inch Trays
4. Connect the power cord.
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Product Overview 8

5. Connect the RAID enclosure to your NAS or server.
For details, see the following topics:
•Connecting the RAID Enclosure to a NAS
•Connecting the RAID Enclosure to a Server
6. Power on the RAID enclosure.
7. Optional: Configure the RAID settings.
For details, see RAID Configuration.
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Product Overview 9