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Cost-effective quad-core NAS with dual 10GbE SFP+ ports


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The powerful quad-core TS-431XU includes two 10GbE SFP+ ports to fully support 10GbE high-speed networks at a budget price with maximized ROI. The TS-431XU 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-431XU 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-431XU 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
  • Scalable design allowing the connection of two QNAP expansion enclosures (UX-1200U-RP) to increase the total storage capacity up to 28 drives

TS-431XU overview


TS-431XU Specifications
Ordering P/N TS-431XU-4G
CPU AnnapurnaLabs, an Amazon company Alpine AL-314 Quad-Core 1.7 GHz ARM® Cortex-A15 CPU
Hardware Encryption Accleration
System Memory 2GB DDR3 (1 x 2GB)
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 4 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 1-4
Button Power, Reset
Other Kensington security slot, console port
Dimension (HxWxD) 44 x 439 x 499 mm
1.73 x 17.28 x 19.65 inch
Weight Net: 7.50 kg (16.53 lbs)
Gross: 9.44 kg (20.81 lbs)
Operating Temperature 0-40˚C
Relative Humidity 5~95% RH non-condensing, wet bulb: 27˚C
Noise Level 37.7 dB(A)*
Power Consumption HDD standby: 22.43W
In operation: 36.97W
(with 4 x 2TB HDDs installed)
Power ATX 240W, 100-240V AC, 50-60Hz, 3.5A
Fan 2 x 4cm 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:

QNAP Products TS-431XU
Storage expansion accessories
QNAP 12-bay Storage Expansion Enclosure, Rackmount
Our Price: $2,037.00
QNAP 8-bay Storage Expansion Enclosure, Rackmount
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QNAP 8GB DDR3-1600 204 Pin SO-DIMM RAM Module
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QNAP 4GB DDR3-1600 204 Pin SO-DIMM RAM Module
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QNAP 2GB DDR3-1600 204 Pin SO-DIMM RAM Module
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Rail Kit
QNAP Rail Kit for 2U Rackmount Models
TS-870U/1270U, TS-869U/1269U, TS-853U/1253U, TS-873U/1273U, TS-x71U, TS-x63U, TS-x63XU, TS-x31XU, TS-x53BU Series
Our Price: $99.00