r

CPU
Quad-Core Intel® Celeron® 2.0GHz (burst up to 2.42GHz)

Floating Point Unit

V

GPUIntel® HD Graphics

Hardware-
Acclerated TranscodingV

MemorySystem 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 Memory512MB

Drive2 x 2.5" or 3.5" SATA 6Gb/s, 3Gb/s HDD or SSD; hot swappable trays

Expansion UnitMax. 1 (UX-800P, UX-500P)

Gigabit

LAN Ports2

USB2 x USB 3.0 (Front: 1, Rear: 1)
2 x USB 2.0 (Rear)

IR Receiver
Yes (QNAP RM-IR002 remote control)

HDMI1

LED Indicators
Power/Status, LAN, USB, HDD1-2

ButtonsPower,
Reset, USB Auto Copy
 

Alarm Buzzer
System warning
 

Form Factor
Tower

Dimensions
(HxWxD)169 x 102 x 219 mm
6.65 x 4.02 x 8.62 inch
 

Weight
(Net / Gross)1.28 kg (2.82 lbs) / 2.32 kg (5.11 lbs)
 

System Fan
1 x 7cm, 12V DC
 

Kensington Security Slot1

Power SupplyExternal
Power Adapter, 60W, 100-240V

Power Consumption (W)S3 sleep: 0.57
HDD standby: 10.56
In operation (typical): 18.09

Sound Level
*Sound pressure (LpAm) :15.4 dB(A)
 

Temperature
0 - 40 °C
 

Humidity
5~95% RH non-condensing, wet bulb: 27˚C