| CPU | Intel® Celeron® 2.41GHz dual-core processor (burst up to 2.58GHz) |
|---|---|
| DRAM |
TS-251-4G: 4GB DDR3L RAM (2GB x 2)
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 |
| Secure Design | Kensington security slot for theft prevention |
| Fan | 1 x quiet cooling fan (7 cm, 12V DC) |
