QNAP TS-433-4G-US 4-Bay NAS Storage Enclosure
QNAP TS-433-4G-US 4-Bay NAS Storage Enclosure with ARM Cortex-A55 Quad-Core Processor, 4GB Onboard RAM, 2.5GbE Networking, Hot-Swappable SATA Drive Bays and QTS for Secure Backup, File Sharing and Private Cloud Storage
Brand: QNAP· More from QNAP ›- Model
- TS-433
- MPN
- TS-433-4G
- EAN
- 4711103080993
- UPC
- 885022023349
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Key features
- ARM 4-Core Cortex-A55 2.0GHz Processor
- 4GB Onboard RAM | Non-Expandable
- 4 x 3.5-inch SATA 6Gb/s Drive Bays
- Supports 3.5-inch SATA Hard Disk Drives and 2.5-inch SATA SSDs
- Hot-Swappable Drive Bays
- 1 x 2.5GbE RJ45 Network Port
- 1 x Gigabit Ethernet Port
- 2 x USB 2.0 Ports | 1 x USB 3.2 Gen 1 Port
- Hardware-Accelerated Transcoding and AES Encryption Engine
- QTS Operating System with Backup, Synchronisation, Remote Access and File-Sharing Features
- Tower NAS Design for Home, Office and Small-Business Storage
- Minimum 65W Power Adapter
- 2 Years Warranty
QNAP TS-433-4G-US 4-Bay NAS
QNAP TS-433-4G-US is a versatile four-bay NAS for homes, creator workflows and small offices that need more room for shared storage, protected backups and private-cloud access. Four SATA bays let you build a capacity-focused or RAID-protected storage pool with compatible hard drives or SSDs.
With a quad-core ARM processor, 4GB RAM, integrated NPU and both 2.5GbE and 1GbE networking, TS-433 is built for modern file storage, secure collaboration, smart photo organization and faster network backup tasks.
Buy QNAP TS-433-4G-US from NationalPC
Four Bays for Flexible Capacity and RAID Planning
TS-433 gives you four 3.5-inch SATA bays that also support compatible 2.5-inch SATA SSDs. The additional bay count creates more choices than a two-bay NAS: prioritize large usable capacity, choose a protected RAID level, or build a combination that suits creative projects, business documents and long-term family archives.
Use QTS to create storage pools, shared folders and user access. The enclosure is supplied without internal disks, allowing you to choose compatible NAS hard drives or SATA SSDs according to your budget, performance requirements and desired protection level.


Faster 2.5GbE Networking for Shared Work
The dedicated 2.5GbE port provides a higher-speed network path for compatible switches, routers and client devices, while the additional 1GbE port gives flexible connectivity options for different environments. This is useful when large project files, backup jobs or shared media libraries are moved around the network.
2.5GbE Ready
Take advantage of compatible multi-gigabit networking for faster file transfers and backup/restore work.
Private Cloud
Centralize authorised access to files with a NAS you manage at home or at the office.
USB Copy
Use the front USB Copy button for convenient transfers from connected USB storage.
AI Photo Organisation, Backup and Snapshot Protection
The integrated NPU can accelerate compatible AI image-recognition tasks, such as face and object recognition in QNAP photo workflows. This helps organise growing photo libraries while the NAS continues to support everyday sharing, synchronisation and multimedia storage.
Use QNAP backup tools for PCs, Macs, mobile devices, USB storage and supported cloud services. QTS snapshot features help protect data from accidental changes and ransomware scenarios when snapshots are configured as part of a complete protection plan.

QNAP TS-433-4G-US Specifications
| Product Name | QNAP TS-433-4G-US 4-Bay NAS |
|---|---|
| Processor | ARM Cortex-A55 quad-core 2.0GHz, 64-bit |
| System Memory | 4GB onboard, non-expandable |
| Graphics and AI | Mali-G52 graphics and built-in NPU for compatible AI image recognition |
| Drive Bays | 4 x 3.5-inch SATA 6Gb/s / 3Gb/s bays; compatible with 2.5-inch SATA SSDs |
| Network | 1 x 2.5GbE RJ45 and 1 x Gigabit Ethernet RJ45 |
| USB | 1 x USB 3.2 Gen 1 and 2 x USB 2.0 |
| Operating System | QTS |
| Storage and Protection | Storage pools, RAID options, snapshots and encryption features supported through QTS |
| Buttons | Power, Reset and USB Copy |
| Cooling | 1 x 120mm fan |
| Dimensions | Approx. 165 x 160.2 x 220.5mm (H x W x D; foot pad excluded) |
| Warranty | 2-year standard warranty, subject to the applicable QNAP terms |
QNAP TS-433-4G-US Product Images
Model-specific front and rear product images are included with contained image fit for a clean website presentation.


QNAP TS-433-4G-US FAQ
Does the TS-433-4G-US come with storage drives?
It is a diskless NAS enclosure. Add compatible drives separately to build the capacity and RAID layout you require.
What is the advantage of four bays?
Four bays provide more storage and RAID choices than a two-bay NAS, including capacity-focused and parity-protected configurations supported by QTS.
What does 2.5GbE offer?
When the network and client device are compatible, 2.5GbE provides more bandwidth than standard 1GbE for file transfers and backup tasks.
Can it organise photos automatically?
Compatible QNAP applications can use the built-in NPU to accelerate selected AI-based image-recognition functions.
Buy QNAP TS-433-4G-US from NationalPC
Choose QNAP TS-433-4G-US for expandable four-bay private-cloud storage, 2.5GbE networking, backup protection and smart media management.
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