TS-251

2 Bay Tower

The TS-251 provides a high performance & high capacity storage solution for SOHO & home, workgroup, and SMB users. Powered by the advanced QTS operating system, the TS-251 performs as an easy-to-use yet powerful NAS for data backup, file synchronization, remote access, home entertainment, and is ideal for users to build a personal cloud to access their data easily.

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Transcode Full HD videos on-the-fly or offline*
Play 1080p videos with 7.1 channel surround sound pass-through via HDMI output
Create a personal cloud and stream your multimedia library via DLNA, AirPlay, and Plex
Centralize your file storage, sharing and backup
Run a virtual machine and extend the functionality of the NAS with an integrated virtualization solution
Expand the total raw storage capacity up to 60TB (with maximum 10 hard drives) with the economical QNAP expansion enclosure UX-800P

CPU	Intel® Celeron® 2.41GHz dual-core processor (burst up to 2.58GHz)
Memory	TS-251-4G: 4GB DDR3L RAM (2GB x 2) TS-251: 1GB DDR3L RAM Total memory slots: 2 (expandable up to 8GB) 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 DOM
Hard Drive	2 x 3.5” or 2.5” SATA 6Gb/s, SATA 3Gb/s hard drive or SSD NOTE: 1. The system is shipped without HDD. 2. For the HDD compatibility list, please visit http://www.qnap.com/compatibility
Hard Drive Tray	2 x Hot-swappable tray
LAN Port	2 x Gigabit RJ-45 Ethernet port
LED Indicators	Status, LAN, USB, HDD 1, HDD 2
USB	2 x USB 3.0 port (Front: 1, Rear: 1) 2 x USB 2.0 port (Rear: 2) Support USB printer, pen drive, and USB UPS etc.
Buttons	Power/Status, USB One-Touch-Backup, reset
Alarm Buzzer	System warning
Form Factor	Tower
Dimensions	168.5(H) x 102(W) x 225(D) mm 6.63(H) x 4.02(W) x 8.86(D) inch
Weight	Net: 1.28 kg (2.82 lbs) / Gross: 2.32 kg (5.11 lbs)
Power Consumption (W)	HDD standby: 10.28W S3 sleep: 0.47W In operation: 19.22W (with 2 x 1TB HDD installed)
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 quiet cooling fan (7 cm, 12V DC)
HDMI	1
IR Receiver	MCE-compatible
Secure Design	Kensington security slot for theft prevention