Versatile Storage for Home, Office & Media
The QNAP QN-TS-433-4G 4-Bay Desktop NAS (QN-TS-433-4G) is designed to centralise all your important data, multimedia and backups in one powerful device. With four drive bays, you get ample capacity for large file libraries, photo collections, and business archives. It’s perfect for families, creative professionals, and small business environments looking to build a reliable private cloud or multimedia server.
Smooth Everyday Performance with ARM A-55 CPU
Powered by a quad-core ARM Cortex-A55 2 GHz CPU and 4 GB of onboard RAM (fixed, non-expandable), the TS-433-4G handles everyday NAS tasks with ease. Its responsive performance supports file sharing, backups, remote access, and multimedia streaming without lag. This NAS delivers dependable performance for mixed workloads across multiple users.
Flexible RAID & Reliable Data Protection
With four SATA drive bays supporting 3.5″/2.5″ HDDs and SSDs, the QNAP TS-433-4G lets you configure RAID 5 for data protection and performance, RAID 1/0 for redundancy or speed, or JBOD for flexible volume use. Built-in snapshot and backup features help safeguard your critical data against accidental deletion or drive failure.
Rich App Ecosystem for Productivity & Media
Running QNAP’s intuitive NAS operating system, this device unlocks an extensive suite of applications. Enjoy automated backups, file syncing across devices, multimedia streaming to smart TVs and mobile devices, remote file access, and more. Advanced tools like multimedia indexing and personal cloud services help you do more with your storage.
Technical Specifications
General
• Model: QNAP QN-TS-433-4G
• Type: 4-bay desktop NAS
• Target: Home / SOHO / SMB storage + backup + apps
Processor & Memory
• CPU: ARM Cortex-A55 @ 2.0 GHz (quad-core)
• Architecture: 64-bit ARM
• System Memory: 4 GB DDR4 (fixed, non-expandable)
• Memory Type: DDR4
Storage
• Drive Bays: 4 × 3.5″ SATA HDD / 2.5″ SATA SSD
• Maximum Raw Capacity: Depends on installed drives
• RAID Support:
– RAID 0 (speed)
– RAID 1 (redundancy)
– RAID 5 (parity protection)
– RAID 6 (dual parity)
– RAID 10 (stripe of mirrors)
– JBOD / Single Disk
• Hot-swappable drives: ✔️
• SSD Cache: Supported with SSDs
Networking
• Ethernet:
– 1 × 2.5 GbE RJ45 port
• Link Aggregation: Supported (with managed switch)
• Wake on LAN: Supported
• IPv4 / IPv6: Supported
USB & Expansion
• USB Ports:
– 3 × USB 3.2 Gen 1 (rear/front)
• USB Expansion: External storage, USB peripherals
Performance & Software Services
• File System: EXT4
• File Services: SMB/CIFS, AFP, NFS, FTP, WebDAV
• Snapshot Support: Yes
• Backup Solutions:
– Hybrid Backup Sync (local/remote/cloud)
– Time Machine support (macOS)
– Windows Server backup support
• Cloud Sync: Connect to major cloud providers
• Qtier / Qboost: Storage optimization tools (where applicable)
Multimedia & Apps
• DLNA Media Server
• Music / Photo / Video streaming apps
• App Center with utilities, security, sync, content servers
• Lightweight container/VM support via apps
Security Features
• AES 256-bit shared folder encryption
• IP access control
• Two-step verification
• Antivirus apps via App Center
Management
• OS: QTS
• Web GUI
• Mobile apps: Qfile, Qmanager, Qsync
• Alerts: Email/push notifications
Power & Physical
• Power Supply: External adapter
• Cooling: Built-in fan
• Approx Dimensions: ~220 × 160 × 160 mm
• Approx Weight: ~2.5 kg (varies with drives)
Environmental
• Operating Temp: 0 – 40 °C
• Humidity: 5 – 95 % (non-condensing)
Use Cases
• Centralized multi-bay storage
• RAID redundancy (5/6/10)
• Backups & snapshot protection
• File sharing across teams
• Media streaming & libraries
• Cloud sync and remote access
