QNAP TS-251A-2G NAS Server, 2 bays, SATA 6Gb/s, RAID 0, 1, JBOD, GbE, iSCSI

CPU
Intel® Celeron® 2.41GHz dual-core processor (burst up to 2.58GHz)

DRAM

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 Disk 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 https://www.qnap.com/compatibility/

Hard Disk 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.

HDMI
1

Buttons
Power/Status, USB One-Touch-Backup, reset

Alarm Buzzer
System warning

IR Receiver
MCE-compatible

Form Factor
Tower

Dimensions
169(H) x 102(W) x 219(D) mm
6.65(H) x 4.02(W) x 8.62(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)

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

Temperature
0-40˚C

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

Power Supply
External Power Adapter, 60W, 100-240V