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QNAP TS-433-4G-US 4-Bay SAN/NAS Storage System - ARM Cortex A55 Quad-core 2 GHz - 4 GB RAM - 2.5GbE - Tower
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Product Features
Technical Overview
The TS-433-4G employs an ARM Cortex A55 quad-core processor architecture operating at 2 GHz, optimized for NAS workloads with efficient power usage. This is paired with 4 GB of DDR4 memory and 4 GB of flash memory for system operations, enabling smooth multitasking across file services, backup jobs, and application hosting.
Storage management is handled through a Serial ATA/600 controller supporting eight RAID levels: 0, 1, 5, 6, 10, 50, 60, and JBOD. The four drive bays accept both 3.5-inch hard drives and 2.5-inch solid-state drives, with no drives pre-installed for maximum configuration flexibility. Network connectivity features two RJ-45 ports supporting 2.5 Gigabit Ethernet and Gigabit Ethernet, plus three USB ports (two USB 2.0, one USB 3.2 Gen 1) for peripheral expansion.
Relevant factors for this section include Number of Hard Drives Supported, Number of Hard Drives Installed, Number of Solid State Drive Supported, Processor Manufacturer. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The TS-433-4G combines enterprise storage features in a compact tower design, making it an ideal solution for offices with limited space. Its comprehensive RAID support provides data protection options ranging from performance-optimized RAID 0 to fault-tolerant RAID 6, while the dual 2.5GbE ports ensure network performance keeps pace with modern storage demands.
Flexible Storage Configuration
Four drive bays support both HDDs and SSDs, allowing mixed storage tiers for optimized performance and capacity. Users can start with smaller drives and expand as needs grow.
- Hot-swappable drive trays
- Supports 3.5" HDD and 2.5" SSD
- No pre-installed drives for maximum choice
Advanced Data Protection
Eight RAID levels provide options for every use case, from maximum performance to maximum redundancy. The system supports online RAID migration and expansion without downtime.
- RAID 0, 1, 5, 6, 10, 50, 60, JBOD
- Online capacity expansion
- Self-encrypting drive support
High-Speed Connectivity
Dual 2.5GbE ports deliver up to 2.5 times the throughput of standard Gigabit Ethernet, reducing bottlenecks for multi-user access and backup operations.
- 2.5GbE backward compatible with Gigabit
- Port trunking for bandwidth aggregation
- USB 3.2 Gen 1 for fast external backups
Deployment / Use Cases
The TS-433-4G serves as a centralized storage solution for small business environments, providing reliable file sharing, backup target storage, and lightweight virtualization support. Its compact tower form factor makes it suitable for office environments where rack space is limited or unavailable.
Common deployment scenarios include serving as a primary file server for workgroups, a backup destination for workstations and servers, a media storage and streaming server, or a lightweight virtualization host for containerized applications. The system's support for iSCSI enables it to function as a SAN storage target for virtual machines, while comprehensive protocol support ensures compatibility with Windows, macOS, and Linux clients.
Small Business File Server
Centralize document storage with user access controls, versioning, and remote access capabilities. The system supports SMB/CIFS, AFP, and NFS protocols for cross-platform compatibility.
Backup and Disaster Recovery
Function as a backup target for workstation and server backups using built-in snapshot technology and replication to cloud or secondary NAS devices.
Localization and Operating System
The TS-433-4G runs QNAP's QTS 5.1.3 operating system, a Linux-based NAS platform designed for intuitive storage management and application hosting. QTS provides a comprehensive web-based interface for configuration, monitoring, and administration, with support for multiple languages and regional settings to accommodate diverse business environments. The system's protocol support includes SMB/CIFS for Windows networks, AFP for macOS compatibility, and NFS for Linux and Unix environments, ensuring seamless integration across mixed-OS workplaces.
Beyond core file services, QTS 5.1.3 delivers built-in applications for backup, virtualization, media streaming, and surveillance, accessible through QNAP's App Center. The operating system supports containerized applications via Container Station, enabling lightweight virtualization for development and testing scenarios. Network protocols such as iSCSI allow the NAS to function as a SAN target for virtual machines, while comprehensive security features including SSL/TLS encryption, IP blocking, and two-factor authentication help protect business data.
Cross-Platform File Sharing
QTS supports SMB/CIFS, AFP, and NFS protocols simultaneously, allowing Windows, macOS, and Linux clients to access shared storage without additional software. User permissions and access controls can be managed centrally through the QTS interface.
Application Ecosystem
The QNAP App Center provides access to hundreds of official and community-developed applications, extending functionality for backup, media management, surveillance, development, and business productivity. Applications can be installed and updated directly through the web interface.
Physical Profile
The tower chassis measures 6.50 inches high, 6.31 inches wide, and 8.68 inches deep, with a weight of approximately 7.72 pounds. This compact footprint allows placement on desks, shelves, or in small network closets. The design includes tool-less drive trays for easy drive installation and maintenance, with front-accessible bays for convenient drive swaps without moving the unit.
- Width
- 6.31" (160.27 mm)
- Depth
- 8.68" (220.47 mm)
- Height
- 6.50" (165.10 mm)
- Weight
- 7.72 lb (3501.73 g)
What's in the Box
The TS-433-4G ships with all necessary components for immediate deployment, including mounting hardware for both 3.5-inch and 2.5-inch drives.
Highlights
- 4-bay tower NAS with hot-swappable drive bays
- ARM Cortex A55 quad-core 2 GHz processor
- 4 GB RAM with 4 GB flash memory
- Dual 2.5GbE network ports
- Supports RAID 0, 1, 5, 6, 10, 50, 60, JBOD
- QTS 5.1.3 operating system with app ecosystem
- Three USB ports (2 x USB 2.0, 1 x USB 3.2 Gen 1)
- Compact dimensions: 6.50" H × 6.31" W × 8.68" D
- 65 W power supply for energy efficiency
- 2-year warranty with optional extension to 5 years
Specifications
| Specifications | |
|---|---|
| Manufacturer | QNAP Systems |
| Manufacturer Part Number | TS-433-4G-US |
| Brand Name | QNAP |
| Product Model | TS-433-4G |
| Product Name | TS-433-4G SAN/NAS Storage System |
| Product Type | SAN/NAS Storage System |
| Storage | |
| Number of Hard Drives Supported | 4 |
| Number of Hard Drives Installed | 0 |
| Number of Solid State Drive Supported | 4 |
| Number of Solid State Drive Installed | 0 |
| Flash Memory Capacity | 4 GB |
| Processor & Chipset | |
| Processor Manufacturer | ARM |
| Processor Type | Cortex A55 |
| Processor Core | Quad-core (4 Core) |
| Processor Speed | 2 GHz |
| Memory | |
| Standard Memory | 4 GB |
| Network & Communication | |
| Ethernet Technology | 2.5 Gigabit Ethernet,Gigabit Ethernet |
| I/O Expansions | |
| Number of Total Expansion Bays | 4 |
| Number of 3.5" Bays | 4 |
| Controllers | |
| Controller Type | Serial ATA/600 |
| RAID Supported | Yes |
| RAID Levels | 0, 1, 5, 6, 10, 50, 60, JBOD |
| Interfaces/Ports | |
| Drive Interface | Serial ATA/600 |
| Total Number of USB Ports | 3 |
| Number of USB 2.0 Ports | 2 |
| Number of USB 3.2 Gen 1 Ports | 1 |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 2 |
| Software | |
| Operating System | QTS 5.1.3 |
| Management & Protocols | |
| Protocols | LDAP,HTTPS,L2TP,SFTP,DHCP,SSH,IPSec,FTPS,AFP,CIFS/SMB,FTP,SNMP,IPv4,WEBDAV,Telnet,SSL,iSCSI,TLS,NFS,TFTP,HTTP,FXP,DDNS,IPv6,PPTP,NFSv3,NFSv4,SNMPv2,SNMPv3 |
| Power Description | |
| Maximum Power Supply Wattage | 65 W |
| Physical Characteristics | |
| Height | 6.50" (165.10 mm) |
| Width | 6.31" (160.27 mm) |
| Depth | 8.68" (220.47 mm) |
| Form Factor | Tower |
| Weight (Approximate) | 7.72 lb (3501.73 g) |
| Miscellaneous | |
| Package Contents | TS-433-4G SAN/NAS Storage System 1 x Ethernet Cable AC Adapter Power Cord 16 x Flat head screw (for 3.5" HDD) 12 x Flat head screw (for 2.5" HDD) 2 x Drive Tray Keys Quick Installation Guide (QIG) |
| Warranty | |
| Limited Warranty | 2 Year |
| Additional Warranty Information | The TS-433 is backed by a 2-year warranty at no additional cost. You can also purchase a warranty extension that extends your warranty coverage up to 5 years. |
User Manual
FAQ
What processor does this product use?
This product uses the ARM processor for everyday performance and multitasking.
How much memory is installed?
It includes 4 GB of memory to support responsive multitasking and daily workloads.
What storage is included?
The system includes 0 of storage for applications, files, and everyday business data.
What graphics or display support is listed?
Display-related specifications help position QNAP TS-433-4G SAN/NAS Storage System - ARM Cortex A55 Quad-core (4 Core) 2 GHz - 4 x HDD Supported - 0 x HDD Installed - 4 x SSD - 0 (TS-433-4G-US) for the kind of viewing experience, readability, and workspace fit buyers may expect in business it/storage arrays & nas/nas storage system deployments.
What connectivity options are available?
Connectivity options include 2.5 Gigabit Ethernet,Gigabit Ethernet, helping the product integrate into common office or home setups.
What operating system or platform is included?
The included operating environment is QTS 5.1.3, which helps position the product for software compatibility, deployment planning, and day-to-day business use.
| Qty | Price | Available |
|---|
