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Silver 1U rackmount enclosure with four front drive bays and USB-C port

Qnap

Qnap TR-004U-US 4-bay rackmount NAS

SKU CH-CSYA-C5BWM MPN TR-004U-US

A 4-bay rackmount NAS enclosure with hardware RAID and USB 3.1 Gen 1 Type-C for backup and media streaming

  • Port USB1 x Type-C USB 3.0 (USB 3.1 Gen 1)
  • HDD Interface4 x SATA (4 x Bay)
  • Form Factor4-Bay
  • ProcessorMicro processor with hardware RAID
  • Included HDD CapacityDiskless System
  • PowerOpen-frame 100W, Input: 100V-240V ~ / 3.5A, 50 Hz-60 Hz
  • Four drive bays expand storage for backup and streaming
  • Hardware RAID processor handles RAID levels without host CPU load
  • USB 3.1 Gen 1 Type-C port delivers fast direct-attached connectivity
  • Diskless design lets you choose any SATA drives
  • Compact 1.73-inch height suits space-constrained racks

4-bay hardware RAID enclosure

The QNAP TR-004U-US is a 4-bay rackmount enclosure that uses a micro processor with hardware RAID to manage storage. It ships without drives so you can install your own 2.5-inch or 3.5-inch SATA disks. The unit connects to a host via a single Type-C USB 3.0 port running at USB 3.1 Gen 1 speeds. It is built for backup and media streaming through a personal cloud.

Check host port and drive count

Verify that your computer or server has an available USB Type-C or Type-A port compatible with USB 3.0 before ordering. The enclosure provides four SATA bays and includes twelve screws for 2.5-inch drives plus sixteen screws for 3.5-inch drives. A USB 3.0 Type-C to Type-A cable and a cable clip are supplied in the box. Ensure you have enough SATA drives to fill the desired RAID configuration.

Thermals noise and power draw

An open-frame 100 W power supply accepts 100 V to 240 V input at 50 Hz to 60 Hz. The operating temperature range is 0 °C to 40 °C with humidity tolerance of 5 % to 95 % relative humidity. The 1U form factor measures 1.73 inches high, 17.28 inches wide and 11.46 inches deep, allowing it to fit in standard rack cabinets.

Highlights

  • Four drive bays expand storage for backup and streaming
  • Hardware RAID processor handles RAID levels without host CPU load
  • USB 3.1 Gen 1 Type-C port delivers fast direct-attached connectivity
  • Diskless design lets you choose any SATA drives
  • Compact 1.73-inch height suits space-constrained racks

Specifications

BrandQNAP
ModelTR-004U-US
Port USB1 x Type-C USB 3.0 (USB 3.1 Gen 1)
HDD Interface4 x SATA (4 x Bay)
Form Factor4-Bay
ProcessorMicro processor with hardware RAID
Included HDD CapacityDiskless System
PowerOpen-frame 100W, Input: 100V-240V ~ / 3.5A, 50 Hz-60 Hz
UsageBackup & stream media through personal cloud
Temperature0°C - 40 °C
Humidity5-95% R.H
Dimensions1.73" x 17.28" x 11.46"
Package ContentsTR-004U external RAID enclosure
1 x Power cord
USB 3.0 Type-C to Type-A connector cable
2 x Drive tray keys
1 x USB cable clip
12 x Screws (for 2.5-inch drives)
16 x Screws (for 3.5-inch drives)
Quick Installation Guide (QIG)
Shipping weight5.63 kg
Package size536 × 424 × 180 mm

Questions about this item

What does the TR-004U-US include and which drives must I supply?

The box contains the 4-bay RAID enclosure, a 100 W power cord, a USB 3.0 Type-C to Type-A cable, two drive-tray keys, a cable clip, twelve 2.5-inch screws and sixteen 3.5-inch screws. Drives are not included; you add up to four SATA HDDs or SSDs.

Should I choose 2.5-inch or 3.5-inch bays for this 4-bay unit?

Each bay accepts either size. Use the twelve supplied screws for 2.5-inch drives or the sixteen supplied screws for 3.5-inch drives; no extra parts are required.

What does the hardware RAID processor do for my backup and streaming workload?

The on-board micro processor handles RAID 0, 1, 5, 10 and JBOD without using host CPU cycles, keeping the USB 3.1 Gen 1 link free for sustained backup and media streaming.

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