| CPU | Marvell ARMADA 8040 ARMv8 Cortex-A72 quad-core 1.6 GHz processor |
| CPU Architecture | 64-bit ARM |
| Floating Point Unit | |
| Encryption Engine | |
| System Memory | 4 GB UDIMM DDR4 (1 x 4 GB) |
| Maximum Memory | 16 GB (1 x 16 GB) |
| Memory Slot | 1 x U-DIMM DDR4 |
| Flash Memory | 512 MB (Dual boot OS protection) |
| Drive Bay | 12 x 3.5-inch + 4 x 2.5-inch SATA 6Gb/s, 3Gb/s |
| Drive Compatibility | 3.5-inch bays:
3.5-inch SATA hard disk drives
2.5-inch SATA hard disk drives
2.5-inch SATA solid state drives
2.5-inch bays:
2.5-inch SATA solid state drives |
| Hot-swappable | The following are not hot-swappable: M.2 SSDs, SSD cache drives, SSDs using PCIe expansion slots. |
| M.2 SSD Slot | 2 x M.2 2280 SATA SSD slots The M.2 SSD is not included as standard. M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAP or a third-party provider) on the M.2 SSD. |
| SSD Cache Acceleration Support | |
| Gigabit Ethernet Port (RJ45) | 2 Expandable with an optional PCIe adapter |
| 10 Gigabit Ethernet Port | 2 x 10GbE SFP+ |
| Jumbo Frame | |
| PCIe Slot | 2
Slot 1: PCIe Gen 3 x2
Slot 2: PCIe Gen 3 x1 |
| USB 3.2 Gen 1 port | 3 |
| USB 3.2 Gen 2 (10Gbps) Port | Optional via a PCIe adapter |
| Audio Output | 1 x built-in speaker, 1 x 3.5mm line out jack (for amplifiers or speakers) |
| Form Factor | Tower |
| LED Indicators | Power/Status, LAN, USB, HDD1-12, SSD 1-4, M.2 SSD 1-2 |
| LCD Display/ Button | |
| Buttons | Power, Reset, USB Auto Copy |
| Dimensions (HxWxD) | 303.84 × 369.89 × 319.8 mm |
| Weight (Net) | 12.06 kg |
| Operating temperature | 0 - 40 °C (32°F - 104°F) |
| Relative Humidity | 5-95% RH non-condensing, wet bulb: 27?C (80.6?F) |
| Power Supply Unit | ATX 250W, Input: 100-240 Vac~, 50-60Hz, 3.5A |
| Power Consumption: HDD Sleep Mode | 39.74 W |
| Power Consumption: Operating Mode, Typical | 76.69 W Tested fully populated with 1TB hard drives and 120GB solid-state drives. |
| Fan | System fan: 3 x 92mm, 12VDC
CPU fan: 1 x 60mm, 12VDC |
| Sound Level | 23 db(A) |
| Other Interfaces | Kensington security slot |
| System Warning | Buzzer |
| Kensington Security Slot | |
| Max. Number of Concurrent Connections (CIFS) | 700 |
