Datasheet

24
Category Order No. Description
Expansion units
UX-500P
QNAP 5-bay Expansion unit
185.2 (H) x 210.6 (W) x 235.4 (D) mm
7.29 (H) x 8.29 (W) x 9.27 (D) inch, 5.1 kg / 11.24 lbs
UX-800P
QNAP 8-bay Expansion unit
185.2 (H) x 298.2 (W) x 235.4 (D) mm
7.29 (H) x 11.74 (W) x 9.27 (D) inch, 7.3 kg / 16.08 lbs
RAM
RAM-2GDR3L-SO-1600 2GB DDR3 RAM, 1600 MHz, SO-DIMM
RAM-4GDR3L-SO-1600 4GB DDR3 RAM, 1600 MHz, SO-DIMM
RAM-8GDR3L-SO-1600 8GB DDR3 RAM, 1600 MHz, SO-DIMM
Remote control
RM-IR002 QNAP IR-002 remote conyrol (included)
Model
TS-251+-2G TS-251+-8G TS-451+-2G TS-451+-8G
CPU Quad-core Intel® Celeron® 2.0GHz processor ((burst up to 2.08GHz) 2.42GHz)
Floating Point Unit
Hardware-Acclerated Transcoding
GPU Intel® HD Graphics
System memory 2GB (2 x 1GB ) 8GB (2 x 4GB ) 2GB (2 x 1 GB ) 8GB (2 x 4GB )
Memory 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
Total memory slots 2
Flash Memory 512MB (DOM)
Max. number of HDDs/SSDs 2 4
Compatible Drive Type 3.5" or 2.5" SATA 6Gb/s, 3Gb/s HDD or SSD, hot swappable
LAN Port 2 Gigabit RJ-45 Ethernet ports, supporting port trunking
USB 2 x USB 3.0 (Front: 1, Rear: 1) 2 x USB 2.0 (Rear)
LED Indicators Power/Status, LAN, USB, HDD
Buttons Power, USB One-Touch-Copy, Reset
IR Yes (RM-IR002 & MCE)
HDMI 1
Alarm Buzzer System warning
Form Factor Tower
Dimensions 168.5 x 102 x 225 mm / 6.63 x 4.02 x 8.86 inch (HxWxD) 177 x 180 x 235 mm / 6.97 x 7.09 x 9.25 inch
Weight (Net / Gross) 1.28 kg (2.82 lbs) / 2.32 kg (5.11 lbs) 3 kg (6.61 lbs) / 4.3 kg (9.48 lbs)
Power Consumption (W) HDD standby:10.56W / In operation (typical): 18.09W HDD standby:15.78W / In operation (typical): 33.88W
Operating Temperature 0 - 40 °C
relative humidity 5~95% RH non-condensing, wet bulb: 27°C
Power Supply External Power Adapter, 60W, 100-240V External Power Adapter, 90W, 100-240V
Fan 1 x quiet cooling fan (7cm,12V DC) 1 x quiet cooling fan (12cm,12V DC)
Windows® sequential Read / Write
(64KB, 2 x GbE)
223 / 225 225 / 224
Windows® sequential Read / Write
Encryption (64KB, 2 x GbE)
205 / 178 204 / 158
Hardware
specification
Accessories
Designs and specifications are subject to change without notice.