QNAP TR-004U User Manual

Hardware Specification

TR-004U

CPU Micro processor with hardware RAID

Drive Bay 4 x 2.5-inch or 3.5-inch SATA 3Gb/s

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

Hot-swappable Yes

USB 3.0 port 1 x Type-C USB 3.0 (USB 3.1 Gen 1)

Form Factor 1U Rackmount

Dimensions (HxWxD) 44 × 439 × 291 mm

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)

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

Fan 2 x 40mm, 12VDC

Sound Level 20.8 db(A)

Kensington Security Slot Yes

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. Warning: Using unsupported modules may degrade performance, cause errors,
or prevent the operating system from starting.
* Sound Level Test Environment: Refer to ISO 7779; Maximum HDD loaded; Bystander Position; Average data from 1 meter in front
of operating NAS.
Designs and specifications are subject to change without notice.