TR-004U

TR-004U Specification


JBOD Connection Interface	USB
Main chip	Micro processor with hardware RAID
Drive Bay	4 x 3.5-inch The system is shipped without HDD. For the HDD compatibility list, please visit https://www.qnap.com/compatibility/
Drive Compatibility	3.5-inch SATA 3Gb/s slot (supports SATA 6Gb/s hard drives with backward compatibility, performance limited to 3Gb/s) 2.5-inch SATA 3Gb/s slot (supports SATA 6Gb/s hard drives with backward compatibility, performance limited to 3Gb/s) 2.5-inch SATA 3Gb/s slot (supports SATA 6Gb/s solid state drives with backward compatibility, performance limited to 3Gb/s) You can only use one disk type (HDD or SSD) in a RAID group. Combining different types of disk in one RAID group is not supported. TR-004U does not support the QDA-A2AR/ QDA-A2MAR.
Hot-swappable
USB 3.2 Gen 1 Port	1 x Type-C USB 3.2 Gen 1 (USB 3.2 Gen 1)
Form Factor	1U Short Depth Rackmount
Dimensions (HxWxD)	44 × 439 × 291 mm Excludes ear hook and the protruding part of the Power Supply Unit.
Weight (Net)	4.77 kg
Weight (Gross)	5.67 kg
Operating Temperature	0 - 40 °C (32°F - 104°F)
Storage Temperature	-20 - 70°C (-4°F - 158°F)
Relative Humidity	5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit	Open-frame 100W, Input: 100V-240V ~ / 3.5A, 50Hz-60Hz
Power Consumption: HDD Sleep Mode	4.79 W
Power Consumption: Operating Mode, Typical	18.9 W Tested with drives fully populated.
Fan	2 x 40mm, 12VDC
System Warning	Buzzer
Kensington Security Slot
QTS / QuTS hero
Windows
Ubuntu
Mac
Used as Hardware RAID (DAS)
Standard Warranty	3
RAID 10
RAID 5+ Spare
RAID 5
RAID 1
RAID 0
JBOD
Single Disk

Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications and refer to the hardware user manual to install compatible QNAP memory modules.
Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.
QNAP reserves the right to replace partial parts or accessories if the original is no longer available from its manufacturer/supplier. Any replacement would be fully tested and verified to meet strict compatibility and stability guidelines and will deliver identical performance to the original.
The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
Product images are for illustrative purposes only and may differ from the actual product. Due to differences in monitors, colors of products may also appear different to those shown on the site.
Designs and specifications are subject to change without notice.

System modes	Individual, JBOD, hardware RAID 0/1/5/10, Software control (Software control requires a QNAP NAS or Windows/macOS utility) Note: QNAP recommends using only one disk type (HDD or SSD) in a RAID group.
Features	RAID rebuild in RAID 1/5/10. System, fan, and drive failure monitoring with LED and audio alerts. System sleep during USB cable disconnection and host device hibernation* or shut down. *Some hosts may not be supported. The unused disk drives automatically become the hot spare ones for the RAID 1 and RAID 5 types.
Minimum system requirements	QNAP NAS or PC with a USB Type-A or Type-C port
Minimum operating system requirements	QNAP NAS: QTS 4.3.6 (or later) Windows: Windows 8.1 (or later), Windows Server 2012 R2 (or later) Mac: macOS X 10.13 (or later)
System fan	5-speed automatic fan control
Software utility	Windows/macOS: QNAP External RAID Manager
Supported File Systems	NAS storage (EXT4), External hard drive (EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT) Purchase of an exFAT driver license from the License Center is required.
QTS Storage Management Features	General & Extenal Storage Mode Overview device, disks, and RAID info and status Support for disk’s S.M.A.R.T. monitoring Determine location of drives using LEDs and system speakers External RAID software configuration RAID rebuild - Hot spare disk configuration RAID recovery Firmware update Format partition Erase partition and device NAS Storage Mode The storage pools and volumes in the expansion enclosures are configured via the QTS operating system. Volume and LUN snapshots - Snapshot Manager Snapshot Cloning - Snapshot Replica - Snapshot Vault Support for Windows Previous Versions (CIFS/SMB) Show more...
Software utility Features	QNAP External RAID Manager Overview device, disks, and RAID info and status Support for disk’s S.M.A.R.T. monitoring Determine location of drives using LEDs and system speakers Desktop notifications for device alerts External RAID software configuration RAID rebuild - RAID rebuild speed customization RAID recovery - Firmware update Notifications when new firmware and application versions are available System event logs for troubleshooting Export event logs to .csv file Note: Actual performance may vary depending on operating environment and other factors, such as RAID mode, RAID configuration, disk model and capacity. Show more...

Note:
QTS does not support DRM content and some IPv6 services.
Some data encryption features may be unavailable because of country-specific legislative restrictions.
Some features may vary by model.
Designs and specifications are subject to change without notice.