TS-251+

2 Bay Tower

Facing the increasing demand for data storage, sharing and multimedia processing, more and more users are looking for a NAS system with good performance and an affordable price tag. The Intel® quad-core TS-251+ provides an uncompromising high-performance scalable storage solution for professional users. Powered by the intelligent QTS 4.2 operating system, the TS-251+ performs as an easy-to-use yet powerful NAS for data backup, file synchronization and sharing, remote access and multimedia applications, and is ideal for users to create a secure private cloud to access their data easily.

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Centralize your file storage, sharing and backup with excellent performance
Run multiple Windows®, Linux®, UNIX® and Android™ based virtual machines with the Virtualization Station
Operate multiple isolated Linux® systems as well as download containerized apps with Container Station
Play 1080p videos with the bundled remote control and multi-channel audio pass-through via HDMI
Transcode Full HD videos on-the-fly or offline*
Stream multimedia files via DLNA®, AirPlay®, Chromecast™ and Bluetooth® with multi-zone multimedia control
Quickly find specific files by real-time, natural search with Qsirch
Scale up to 10 drives with QNAP UX-800P expansion enclosure

CPU	Quad-Core Intel® Celeron® 2.0GHz (burst up to 2.42GHz)
GPU	Intel® HD Graphics
Hardware-Acclerated Transcoding	V
IR Receiver	Yes (QNAP RM-IR002 remote control)
HDMI	1
Kensington Security Slot	1
Memory	System memory: TS-251+-2G: 2GB DDR3L RAM (1 x 2GB) TS-251+-8G: 8GB DDR3L RAM (2 x 4GB) Total memory slots: 2 SODIMM Expandable up to: 8 GB NOTE: 1. When installing two memory modules, please ensure that they are the same size and ideally use the same type of RAM for both memory slots. 2. For the information of RAM module installation and compatible NAS models, please refer to the QNAP RAM Module Installation Guide
Flash Memory	512MB
Hard Drive	2 x 2.5" or 3.5" SATA 6Gb/s, 3Gb/s HDD or SSD; hot swappable trays NOTE: For the HDD compatibility list, please visit https://www.qnap.com/compatibility
LAN Port	2 Gig
LED Indicators	Power/Status, LAN, USB, HDD1-2
USB	2 x USB 3.0 (Front: 1, Rear: 1) 2 x USB 2.0 (Rear)
Storage Expansion Port	Max. 1 (UX-800P, UX-500P)
Buttons	Power, Reset, USB Auto Copy
Alarm Buzzer	System warning
Form Factor	Tower
Dimensions	168.5 x 102 x 225 mm 6.63 x 4.02 x 8.86 inch
Weight	1.28 kg (2.82 lbs) / 2.32 kg (5.11 lbs)
Power Consumption (W)	S3 sleep: 0.57 HDD standby: 10.56 In operation (typical): 18.09
Temperature	0 - 40 °C
Relative Humidity	5~95% RH non-condensing, wet bulb: 27˚C
Power Supply	External Power Adapter, 60W, 100-240V
Fan	1 x 7cm, 12V DC