4-Bay Personal and Small-Business NAS
QNAP TS-433-4G Private Cloud NAS
A four-bay tower NAS with an ARM Cortex-A55 quad-core processor, 4 GB onboard memory, built-in NPU, 2.5GbE and snapshot protection.
Personal cloud storage for files, photos and everyday sharing
The QNAP TS-433-4G is a four-bay network attached storage system for centralised file management, private-cloud access, multimedia organisation and small-business collaboration. Its ARM processor, built-in neural processing unit, 2.5GbE port and snapshot protection provide a focused platform for households and teams that want organised storage without expandable system memory.
Key features and benefits
Centralised multimedia management
Store, browse, organise and share photos, music and videos from one location.
NPU-accelerated recognition
The built-in neural processing unit accelerates face and object recognition.
Private-cloud access
myQNAPcloud supports internet access, management and sharing of NAS files.
Snapshot protection
Snapshots help recover files and data after accidental deletion or malware incidents.
2.5GbE connectivity
One 2.5GbE port provides a faster network option alongside the Gigabit Ethernet port.
Account and access security
Listed controls include user-account protection, IP blocking, two-step verification and encryption access.
Who is this model best for?
A strong choice for
- Home and family file storage
- Photo, music and video organisation
- Private-cloud file access and sharing
- Small-business shared storage
- Buyers who want snapshot and account-security features
Consider another model if you need
- You need expandable system memory
- You require more than four drive bays
- You need PCIe or M.2 expansion
Key specifications
- Processor
- ARM Cortex-A55, 4-core, 2.0GHz
- System memory
- 4 GB onboard, non-expandable
- Drive bays
- 4 × 3.5-inch SATA 6Gb/s, 3Gb/s
- Drive compatibility
- 3.5-inch SATA HDD; 2.5-inch SATA SSD
- Networking
- 1 × Gigabit Ethernet; 1 × 2.5GbE
- USB
- 2 × USB 2.0; 1 × USB 3.2 Gen 1
- NPU
- Supported
- Dimensions
- 165 × 160.2 × 220.5 mm
- Net weight
- 2.07 kg
- Warranty
- 2 years
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 | Supported |
| Encryption engine | Supported |
| Hardware-accelerated transcoding | Supported |
| Neural processing unit (NPU) | Supported |
| System memory | 4GB onboard, non-expandable. Some RAM is reserved for shared graphics memory. |
| Maximum memory | 4GB onboard, non-expandable |
| Flash memory | 4GB, dual-boot OS protection |
| Drive bay | 4 × 3.5-inch SATA 6Gb/s, 3Gb/s |
| Drive compatibility | 3.5-inch SATA hard disk drives and 2.5-inch SATA solid-state drives |
| Hot-swappable | Supported |
Network, ports and expansion
| Gigabit Ethernet port | 1 |
|---|---|
| 2.5 Gigabit Ethernet port | 1 × 2.5G / 1G / 100M |
| Wake on LAN | Supported |
| Jumbo Frame | Supported |
| USB 2.0 port | 2 |
| USB 3.2 Gen 1 port | 1 |
Physical, environmental and power
| LED indicators | System status, LAN, USB and HDD 1–4 |
|---|---|
| Buttons | Power, reset and USB Copy |
| Form factor | Tower |
| Dimensions (H × W × D) | 165 × 160.2 × 220.5 mm. Dimensions do not include the foot pad. |
| Weight (net) | 2.07 kg |
| Weight (gross) | 3.39 kg |
| Operating temperature | 0–40°C |
| Storage temperature | -20–70°C |
| Relative humidity | 5–95% RH, non-condensing; wet bulb 27°C |
| Power supply unit | Minimum 65W adapter, 12V DC, 100–240V AC |
| Power consumption: HDD sleep mode | 8.45W |
| Power consumption: typical operating mode | 22.54W, tested with drives fully populated |
| Fan | 1 × 120mm, 12V DC |
| System warning | Buzzer |
| Kensington security slot | Supported |
Software and system features
| Standard warranty | 2 years |
|---|---|
| Maximum concurrent CIFS connections | 200 with maximum memory |
Frequently asked questions about the TS-433-4G
What is the QNAP TS-433-4G?
The TS-433-4G is a four-bay tower NAS for private-cloud storage, file sharing, multimedia management and snapshot-protected data.
Which processor does the TS-433-4G use?
The TS-433-4G uses a 64-bit ARM Cortex-A55 four-core processor running at 2.0GHz.
How much memory is included with the TS-433-4G?
The TS-433-4G includes 4 GB onboard memory. It is non-expandable, and some memory is reserved for shared graphics.
How many drive bays does the TS-433-4G have?
It has four 3.5-inch SATA 6Gb/s, 3Gb/s drive bays.
Which drive types are supported by the TS-433-4G?
It supports 3.5-inch SATA hard disk drives and 2.5-inch SATA solid-state drives.
Which network ports are built into the TS-433-4G?
It includes one Gigabit Ethernet port and one 2.5GbE port.
What expansion options does the TS-433-4G provide?
No PCIe or M.2 expansion is listed; system memory is fixed at 4 GB onboard.
What form factor is the TS-433-4G?
It is a desktop tower NAS.
What are the dimensions of the TS-433-4G?
Its stated dimensions are 165 × 160.2 × 220.5 mm, excluding the foot pad.
What warranty is listed for the TS-433-4G?
The listed standard warranty is two years.
Important information
Some system memory is reserved for shared graphics use.
The 4 GB onboard memory is non-expandable.
The stated operating power figure was tested with drives fully populated.
