Specifications
CPU
Micro processor with hardware RAID
Drive Bay
4 x 3.5-inch SATA 3Gb/s
The system is shipped without HDD.
For the HDD compatibility list, please visit https://www.qnap.com/compatibility/
Drive Compatibility
3.5-inch SATA 6Gb/s, 3Gb/s hard disk drives
2.5-inch SATA 6Gb/s, 3Gb/s hard disk drives
2.5-inch SATA 6Gb/s, 3Gb/s solid state drives
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
Yes
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)
4.03 kg
Weight (Gross)
5.66 kg
Max. number of HDDs/SSDs supported
4
Hard Drive Type
4 x 2.5-inch or 3.5-inch SATA 3Gb/s
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
Yes
