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Cost-effective quad-core NAS with dual 10GbE SFP+ ports and redundant power supplies


Sorry, this product is no longer available, please contact us for a replacement.


The powerful quad-core TS-831XU-RP includes two 10GbE SFP+ ports to fully support 10GbE high-speed networks at a budget price with maximized ROI. The TS-831XU-RP provides versatile all-in-one functionalities and unique features including VJBOD (Virtual JBOD) - an economical way to utilize unused NAS storage space for expanding the storage capacity of other QNAP NAS - and Container Station - that allows users to rapidly develop and deploy Internet of Things (IoT) apps. The TS-831XU-RP is a cost-effective storage solution designed for growing businesses looking for backup, restoration, private cloud, storage for virtualization, and to future-proof their IT infrastructure for 10GbE networks.

  • 10GbE readiness, SSD cache, and hardware-accelerated encryption engine
  • VJBOD allows using the TS-831XU-RP to expand the storage capacity of other QNAP NAS
  • Containerized virtualization and IoT app development with Container Station
  • Build a private cloud to centrally organize & manage files and backup tasks
  • Secure access with VPN Server & VPN Client
  • Quickly find files using a real-time, natural search with Qsirch
  • Scalable design allowing the connection of two QNAP expansion enclosures (UX-1200U-RP) to increase the total storage capacity up to 32 drives

TS-831XU-RP overview


TS-831XU-RP Specifications
Ordering P/N TS-831XU-RP-4G
CPU AnnapurnaLabs, an Amazon company Alpine AL-314 Quad-Core 1.7 GHz ARM® Cortex-A15 CPU
Hardware Encryption Accleration
System Memory 4GB DDR3 (1 x 4GB)
Maximum Memory 16GB
Memory Slots 2 x SODIMM DDR3
(Note: For dual-DIMM configurations, you must use a pair of identical DDR3 RAM modules.)
Flash Memory 512MB
Drive Type 8 x 3.5"/2.5" SATA 6Gb/s HDDs/SSDs
10GbE LAN 2 x 10 Gigabit SFP+ LAN ports
GbE LAN 2 x Gigabit RJ45 LAN ports
USB 4 x USB 3.0 ports
PCIe Slot 1 x PCIe Gen2 (x2)
LED Status/Power, LAN, HDD 1-8
Button Power, Reset
Other Kensington security slot, console port
Dimension (HxWxD) 89 x 482 x 534 mm
3.5 x 18.98 x 21.02 inch
Weight Net: 12.56 kg (27.69 lbs)
Gross: 14.64 kg (32.28 lbs)
Operating Temperature 0-40˚C
Relative Humidity 5~95% RH non-condensing, wet bulb: 27˚C
Noise Level 48.3 dB(A)*
Power Consumption HDD standby: 37.15W
In operation: 64.36W
(with 8 x 2TB HDDs installed)
Power ATX 250W, 100-240V AC, 5A-2.5A, 50Hz-60Hz (x2)
Fan 2 x 7cm system fan (12V DC)

*Refer to ISO 7779 ; Maximum HDD loaded ; Bystander Position ; Average data from 1 meter in front of operating NAS


Download the QNAP TS-x31U Series Datasheet (PDF).

Pricing Notes:

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