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Qnap TS-531P

Qnap TS-531P

The 5-bay TS-531P is a powerful quad-core network storage system, providing the potential for 10GbE expandability at a budget price to maximize ROI, and doubles the encrypted file transfer performance with a strong hardware-accelerated encryption engine. The energy-efficient ARM® Cortex-A15 processor provides ultra low power consumption for daily business operations to save cost in the long run. Powered by the QTS operating system, the TS-531P provides versatile all-in-one server functionalities as well as unique features including Container Station, which allows you to run multiple isolated Linux systems and containerized applications on the same device. The TS-531P 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, quad LAN ports and SSD cache Hardware-accelerated encryption engine for efficient cryptographic performance exceeding 400 MB/s Enjoy LXC and Docker® lightweight virtualization technologies with the Container Station Manage, share, and back up business data with Real-time Remote Replication (RTRR) Qsirch, a near real time full-text search engine, helps quickly find specific NAS data (supported by TS-531P with 8GB RAM) Scales up to 21 drives with QNAP UX-800P expansion enclosures

Additional information


Annapurna Labs Alpine AL-314 Quad-core 1.4 GHz Cortex-A15 processor


System memory:
TS-531P-2G: 2GB DDR3-1600 RAM (1 x 2GB)
TS-531P-8G: 8GB DDR3-1600 RAM (1 x 8GB)
Total memory slots:2 SODIMM
Memory expandable up to: 16 GB (2 x 8GB)
(*For dual-DIMM configurations, you must use a pair of identical DDR3 RAM modules.)

Flash Memory


Hard Disk Drive

5 x hot-swappable 3.5" or 2.5"SATA 6Gb/s, SATA 3Gb/s hard drive or SSD

LAN Port

4 x Gigabit RJ-45 Ethernet port
(Expandable up to 2 x 10GbE + 4 x GbE)

Network Expansion Slot

1 (PCIe Gen2 x 4)

Form Factor



185 (H) x 210.6 (W) x 235.4 (D) mm
7.28 (H) x 8.29 (W) x 9.27 (D) inch

Power Consumption (W)

HDD standby:17.01W
In operation:29.31W
(with 5 x 1TB HDDs intalled)

Power Supply

ATX 250W, 110-240V AC, 50-60Hz, 5A

Secure Design

Kensington security slot for theft prevention


1 x quiet cooling fan (12cm, 12V DC)