• Search

Qnap TS-431U

Qnap TS-431U

The 4-bay TS-431U offers the optimal price/performance in a compact 1U chassis network storage server for file sharing, backup, synchronization, remote access, and more. Powered by an advanced ARM® Cortex®-A9 dual-core processor and 1GB RAM, the TS-431U delivers outstanding multitasking performance as a business NAS featuring four USB 3.0 and dual Gigabit LAN ports while maintaining low power consumption for 24/7 always-on usage. See how the TS-431U can enhance your working productivity & offers a private cloud for accessing data easily and securely.


Organize & manage files and backup tasks in one centralized location Full NAS encryption by volume-based technology and hardware acceleration Synchronize files between computers, laptops, and mobile devices Create a 24/7 surveillance center for business environment Build a private cloud-based notebook to share with group members with the Notes Station and Qnotes mobile app Stream multimedia library via DLNA, AirPlay & Chromecast and watch on TV

Additional information


Freescale™ ARM® Cortex®-A9 dual-core 1.2GHz processor with hardware encryption engine

Floating Point Unit


Hardware Encryption Engine




Flash Memory


Hard Disk Tray

4 Hot-swappable and lockable trays

Form Factor

1U, rack mountable


44 (H) x 439 (W) x 499 (D) mm
1.73 (H) x 17.28 (W) x 19.65 (D) inch

Power Consumption (W)

HDD standby: 19.3W
Typical operation: 34.9W
(with 4 x 2 TB HDDs installed)

Power Supply

Input: 100-240V AC, 50/60Hz; Output: 250W


2 x 4cm cooling fan (12V DC)