| Ordering P/N |
TS-251A-4G |
| Processor |
14nm Intel® Celeron® N3060 dual-core 1.6GHz (up to 2.48GHz) |
| Hardware Encryption Accleration |
✓，AES-NI |
| System Memory |
4GB DDR3L (2 x 2GB) |
| Maximum Memory |
8GB |
| Memory Slot |
2 x SODIMM DDR3L (For dual-DIMM configurations, you must use a pair of identical DDR3L modules.) |
| Flash Memory |
4GB, pre-loaded with QTS system |
| Drive Type |
2 x 3.5"/2.5" SATA 6Gb/s HDDs/SSDs |
| GbE LAN |
2 x Gigabit RJ45 LAN port |
| USB Port |
3 x USB 3.0 ports (Front: 1, Rear:2) |
| SD Card Reader |
✓ |
| USB QuickAccess |
✓ (USB 3.0 Micro-B); USB cable is not included |
| HDMI |
1, max. resolution 3840 x 2160 @ 30Hz |
| Audio Input |
3.5mm Microphone Input jack (for dynamic microphone) |
| Audio Output |
3.5mm Line Out jack (for ampliers or speakers) |
| LED Indicator |
Status/Power, USB, HDD 1, HDD 2 |
| Button |
Power/Status, USB one-touch-backup, reset |
| IR Receiver |
✓, supports QNAP RM-IR002 and MCE-compliant remote controls |
| Others |
Kensington security slot，system maintenance port |
| Dimension |
169 x 102 x 219 mm
6.65 x 4.02 x 8.62 inch (HxWxD) |
| Weight |
Net: 1.28 kg (2.82 lbs)
Gross: 2.64 kg (5.82 lbs) |
| Operating Temperature |
0-40˚C |
| Relative Humidity |
5~95% RH non-condensing, wet bulb: 27˚C |
| Noise Level |
18.3 dB (A)
Refer to ISO 7779 ; Maximum HDD loaded ; Bystander Position ; Average data from 1 meter in front of operating NAS |
| Power Consumption |
System sleep: 0.72W
HDD standby：7.9W
In operation：16.2W
(with 2 x 2TB HDDs) |
| Power |
65W AC power adapter, 100-240V AC |
| Fan |
1 x 7cm system fan (12V DC) |
