| CPU | IntelAtom2.13GHz Dual-core Processor |
| DRAM | 1GB RAM (Expandable RAM, up to 3GB) NOTE: 1. The system memory can be increased to 3GB by installing an additional 1GB/2GB SO-DIMM RAM module. 2 .For the information of RAM module installation and compatible NAS models, please refer to theQNAP RAM Module Installation Guide |
| Flash Memory | 512MB DOM |
| Hard Disk Drive | 4 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 http://www.qnap.com/en/index.php?sn=3877&lang=en |
| Hard Disk Tray | 4 x Hot-swappable and lockable tray |
| LAN Port | 2 x Gigabit RJ-45 Ethernet port |
| LED Indicators | Status, LAN, USB, HDD 1, HDD 2, HDD3, HDD4 |
| USB | 2 x USB 3.0 port (Back: 2) 5 x USB 2.0 port (Front: 1; Back: 4) Support USB printer, pen drive, USB hub, and USB UPS etc. |
| eSATA | 2 x eSATA port (Back) |
| Buttons | System: Power button, USB One-Touch-Backup Button, Reset button |
| Alarm Buzzer | System warning |
| Form Factor | 1U, Rackmount |
| Dimensions | 44 (H) x 439 (W) x 499 (D) mm 1.73 (H) x 17.28 (W) x 19.65 (D) inch |
| Weight | Net weight: 7.63 kg (16.82 lbs) Gross weight: 9.55 kg (21.05 lbs) |
| Power Consumption (W) | Sleep mode: 37W In Operation:52W Power-off (in WOL mode): 1W (with 4 x 1TB HDD installed) |
| Temperature | 0-40˚C |
| Humidity | 0~95% R.H. |
| Power Supply | Input: 100-240V AC, 50/60Hz, Output: Redundant 250W |
| Secure Design | K-lock security slot for theft prevention |
| VGA | Reserved VGA interface for maintenance |
| Fan | 2 x quiet cooling fan (4 cm, 12V DC) |
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