4-bay short-depth rackmount NAS
QNAP TS-433eU Edge Storage NAS
A compact 1U short-depth rackmount NAS with an ARM Cortex-A55 quad-core processor, fixed 4GB onboard memory, four SATA bays and two built-in 2.5GbE ports.
Compact edge storage for space-conscious rack deployments
The QNAP TS-433eU brings file management, centralised backup, snapshots and supplied Docker container applications to a 1U short-depth chassis. Dual 2.5GbE ports support faster transfer and backup workflows, while the built-in NPU accelerates the supplied AI image-recognition features in QuMagie.
Key features and benefits
Space-saving rack design
Its 292.3mm short-depth chassis is designed for small media cabinets and wall-mounted network racks.
Dual 2.5GbE connections
Two built-in 2.5GbE ports support port trunking as described in the supplied content.
Energy-efficient ARM platform
The supplied description positions the ARM Cortex-A55 processor and 4GB memory as a power-conscious edge-storage platform.
NPU-assisted image recognition
The built-in NPU accelerates face recognition and subject identification in QNAP QuMagie.
Backup and snapshot protection
The supplied feature set supports centralised backups and regular snapshots for data protection.
USB storage expansion
The supplied content supports connection to a QNAP short-depth USB JBOD, including a stated configuration of up to 144TB using 24TB HDDs in RAID 5.
Who is this model best for?
A strong choice for
- Small offices needing short-depth rack storage
- Edge storage close to users or operational systems
- Centralised file backups and snapshots
- Deployments that need two built-in 2.5GbE ports
- QuMagie photo organisation using the built-in NPU
Consider another model if you need
- More than four internal drive bays
- Upgradeable system memory above the fixed 4GB
- Built-in PCIe expansion
- A tower NAS rather than a 1U rackmount chassis
Key specifications
- CPU
- ARM 4-core Cortex-A55 2.0GHz processor
- System memory
- 4GB onboard, non-expandable; some RAM is reserved for shared graphics memory
- Maximum memory
- 4GB onboard, non-expandable
- Drive bays
- 4 × 3.5-inch SATA 6Gb/s and 3Gb/s
- Drive compatibility
- 3.5-inch SATA HDD; 2.5-inch SATA SSD
- Networking
- 2 × 2.5GbE (2.5G/1G/100M)
- USB
- 2 × USB 3.2 Gen 1
- Form factor
- 1U short-depth rackmount
- Dimensions
- 43.3 × 430 × 292.3mm
- Weight
- 4.01kg net; 5.9kg gross
- Power supply
- 60W, 100–240VAC
- Standard warranty
- 2 — unit not stated in the supplied table
Full technical specifications
Processor, memory and storage
| CPU | ARM 4-core Cortex-A55 2.0GHz processor |
|---|---|
| CPU Architecture | 64-bit ARM |
| Graphic Processors | Mali-G52 |
| Floating Point Unit | yes |
| Encryption Engine | yes |
| Hardware-accelerated Transcoding | yes |
| Neural Processing Unit (NPU) | yes |
| System Memory | 4 GB on board (non-expandable) Note: Reserves some RAM for use as shared graphics memory. |
| Maximum Memory | 4 GB on board (non-expandable) |
| Flash Memory | 4 GB (Dual boot OS protection) |
| Drive Bay | 4x 3.5-inch SATA 6Gb/s, 3Gb/s |
| Drive Compatibility | 3.5-inch bays: 3.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| Hot-swappable | yes |
Network, ports and controls
| 2.5 Gigabit Ethernet Port (2.5G/1G/100M) | 2 (2.5G/1G/100M) |
|---|---|
| Wake on LAN (WOL) | yes |
| Jumbo Frame | yes |
| USB 3.2 Gen 1 port | 2 |
| LED Indicators | System Status, LAN, USB, HDD1~4 |
| Buttons | Power, Reset |
Software, surveillance and feature limits
| Max. Number of Concurrent Connections (CIFS) - with Max. Memory | 200 |
|---|
Physical, environmental and power
| Form Factor | 1U Short Depth Rackmount |
|---|---|
| Dimensions (HxWxD) | 43.3 × 430 × 292.3 mm |
| Weight (Net) | 4.01 kg |
| Weight (Gross) | 5.9 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 | 60W, 100-240VAC |
| Power Consumption: Disk Standby Mode | 9.32 |
| Power Consumption: Operating Mode, Typical | 23.74 W Tested with drives fully populated. |
| Fan | 3 x 40mm, 12VDC |
| System Warning | Buzzer |
| Kensington Security Slot | yes |
| Standard Warranty | 2 |
Frequently asked questions about TS-433eU Edge Storage NAS
What is the QNAP TS-433eU?
The QNAP TS-433eU is a four-bay, 1U short-depth rackmount NAS designed for edge storage, file management and centralised backup.
How many drive bays does the TS-433eU have?
It has four 3.5-inch SATA 6Gb/s and 3Gb/s bays.
What processor does the TS-433eU use?
It uses an ARM 4-core Cortex-A55 processor running at 2.0GHz.
How much memory is included with the TS-433eU?
The TS-433eU includes 4GB of onboard memory. The supplied table states that it is non-expandable and reserves some RAM for shared graphics memory.
What network ports are built into the TS-433eU?
It includes two 2.5GbE ports supporting 2.5G, 1G and 100M connections.
What drives are listed for the TS-433eU?
The supplied table lists 3.5-inch SATA hard disk drives and 2.5-inch SATA solid state drives.
Does the TS-433eU support hot-swappable drives?
Yes. Hot-swappable drive bays are listed as supported in the supplied specifications.
What are the TS-433eU dimensions?
The chassis measures 43.3 × 430 × 292.3mm (H × W × D).
Important information
The supplied table states that the 4GB onboard memory is non-expandable and that some RAM is reserved for shared graphics memory.
The standard warranty field is supplied only as “2”; no unit is stated, so none has been assumed.
