Component TS-251B
Dimensions
Form factor Tower
Dimensions (H x W x D) 168 x 105 x 226 mm (6.62 x 4.13 x 8.90 in)
Net weight 1.53 kg (3.37 lbs)
Other
Power supply unit 65W, 100-240V AC, 50/60 Hz
System battery CR2032 lithium battery (3V, 225 mAh)
Warning
To avoid potential injury or damage to components,
make sure to replace the existing battery with a battery
of the same type.
Sound level 17.3 dB(A)
Note
The sound level was tested at a bystander position,
which is within one meter of the NAS. The test NAS
operated at low speed with the maximum number of
drives installed.
Fans System: 1 x 70 mm
Warning
To avoid potential injury or damage to components, do
not touch the fan while the NAS is connected to a
power source.
Operating temperature 0˚C to 40˚C (32˚F to 104˚F)
Relative humidity • Non-condensing relative humidity: 5% to 90%
• Wet-bulb temperature: 27˚C (80.6˚F)
Security slot Kensington security slot
Tip
Model specifications are subject to change without prior notice. To see the latest
specifications, go to https://www.qnap.com.
Package Contents
Item Quantity
TS-251B NAS 1
AC power adapter 1
Power cord 1
Ethernet cable 1
Screws for 3.5-inch drives 8
Screws for 2.5-inch drives 6
Quick Installation Guide (QIG) 1
Components
TS-251B User Guide
Product Overview 6
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