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Compact white two-bay desktop NAS with front drive LEDs

Qnap

Qnap TS-233-US 2-Bay Desktop NAS 2GB ARM Cortex-A55

SKU CH-R5W4-TNCGR MPN TS-233-US

Two-bay diskless NAS with ARM quad-core processor, 2 GB RAM, one Gigabit Ethernet port and three USB ports for backup and media streaming

  • TypeDesktop NAS
  • Ports1 x 1GbE / 1 x USB 2.0 / 1 x USB 3.2 Gen 1
  • Port RJ-451 x 10/100/1000M
  • Port USB1 x USB3.0 + 2 x USB2.0
  • HDD Interface2 x SATA (2 x Bay)
  • Form Factor2-Bay

Form Factor 2-Bay

  • 2-Bay
  • 4-Bay

Struck-through versions exist but are not stocked here.

Installed Memory 2GB

  • 2GB
  • 4GB

Struck-through versions exist but are not stocked here.

  • Centralised multimedia storage with QTS 5.0.0
  • AI-powered image recognition via built-in NPU
  • Low 3.43 W power draw in hibernation
  • 44 TB maximum capacity across two bays
  • ARM Cortex-A55 quad-core processor at 2.0 GHz

Two-bay desktop NAS for personal cloud

The Qnap TS-233-US is a diskless network storage device with two SATA drive bays supporting 3.5-inch and 2.5-inch drives up to 44TB total capacity. An ARM Cortex-A55 quad-core processor running at 2.0GHz with 2GB of non-upgradable memory runs QTS 5.0.0 for file sharing, backup and multimedia streaming. One Gigabit Ethernet port and three USB ports provide local expansion and network access.

Suits home users wanting simple centralised storage

This unit fits households that need automatic photo backup, media streaming to TVs and remote file access without complex administration. Buyers who require hardware transcoding for high-bitrate video, virtualisation support or multi-gigabit networking should look at higher-specification models. The fixed 2GB memory also limits concurrent applications and Docker containers.

Single 1GbE port defines network throughput

All client traffic, replication and cloud sync pass through one RJ-45 interface limited to 1000Mbps. Aggregate read and write speeds will not exceed this link, so environments with heavy simultaneous users or large daily backups will saturate the connection. No additional network interfaces or PCIe expansion slots are present to alleviate the bottleneck.

Highlights

  • Centralised multimedia storage with QTS 5.0.0
  • AI-powered image recognition via built-in NPU
  • Low 3.43 W power draw in hibernation
  • 44 TB maximum capacity across two bays
  • ARM Cortex-A55 quad-core processor at 2.0 GHz

Specifications

BrandQNAP
ModelTS-233-US
TypeDesktop NAS
Ports1 x 1GbE / 1 x USB 2.0 / 1 x USB 3.2 Gen 1
Port RJ-451 x 10/100/1000M
Port USB1 x USB3.0 + 2 x USB2.0
HDD Interface2 x SATA (2 x Bay)
Form Factor2-Bay
Operating SystemQTS 5.0.0
ProcessorARM 4-core Cortex-A55 2.0GHz processor
Installed Memory2GB
Max Memory Capacity2GB
Included HDD CapacityDiskless System
Max Capacity44TB
Drive Compatibility3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
LEDsSystem Status, LAN, USB, HDD1~2
Power65W Adapter, AC 100-240V
Power Consumption: HDD Sleep Mode: 3.43W
Power Consumption: Operating Mode, Typical: 10.81W
Power Consumption10.81 W (Access)
3.43 W (HDD Hibernation)
Temperature0°C - 40 °C
Humidity5-95% R.H
FeaturesCentralized multimedia management
Centrally store photos, music, and videos; easily browse, organize, and share multimedia files.
AI-powered image recognition
With a built-in NPU (Neural network Processing Unit) processor, the TS-233 boosts performance for high-speed face and object recognition.
Home entertainment center
Supports ARM NEON technology that accelerates video processing for a greater entertainment experience.
Secure remote access
myQNAPcloud allows you to easily access, manage, and share NAS files via the Internet.
Snapshot protection against Ransomware
Protect your file
UsageBackup & stream media through personal cloud
Dimensions7.43" x 3.55" x 6.15"
Weight2.45 lbs.
Package ContentsTS-233
Ethernet Cable x 1
AC Adapter
Power Cord
Flat head screw (for 3.5" HDD) x8
Flat head screw (for 2.5" HDD) x6
Quick Installation Guide (QIG)
Shipping weight1.85 kg
Package size264 × 222 × 102 mm

Questions about this item

How do I confirm the TS-233-US is running correctly after first boot?

The front LEDs for System Status, LAN, USB and both HDD bays show activity; log into QTS 5.0.0 and verify the ARM Cortex-A55 processor reports 2 GB memory and each installed SATA drive appears healthy.

What ships with the TS-233-US and what must I supply myself?

The unit includes the 2-bay chassis, a 65 W AC adapter (100–240 V) and mounting hardware; you must purchase two 3.5" or 2.5" SATA HDDs or SSDs separately because it is a diskless system.

Which drive capacity should I choose for the two bays?

Each bay accepts 3.5" SATA HDDs, 2.5" SATA HDDs or 2.5" SATA SSDs up to the pool maximum of 44 TB, so select drives that match your storage target and budget.

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