| CPU | Marvell OCTEON TX2™ CN9130 / CN9131 ARMv8 Cortex-A72 4-core 2.2GHz processor |
| CPU Architecture | 64-bit ARM |
| Floating Point Unit | |
| Encryption Engine | |
| System Memory | 4 GB SODIMM DDR4 (1 x 4GB) |
| Maximum Memory | 32 GB (1 x 32 GB) |
| Memory Slot | 1 x SODIMM DDR4 QTS Firmware version 5.0.1(0426) and later will support ECC. |
| Flash Memory | 4GB (Dual boot OS protection) |
| Drive Bay | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s |
| Drive Compatibility | 3.5-inch bays: 3.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| Hot-swappable | |
| M.2 Slot | 2 x M.2 2280 PCIe Gen 3 x1 slots Compatible with NVMe SSD PCIe Gen 3 and above. Please refer to https://www.qnap.com/compatibility/ for compatibility. |
| SSD Cache Acceleration Support | |
| 2.5 Gigabit Ethernet Port (2.5G/1G/100M) | 2 (2.5G/1G/100M) |
| 10 Gigabit Ethernet Port | 2 x 10GbE SFP+ |
| Wake on LAN (WOL) | |
| Jumbo Frame | |
| USB 2.0 port | 2 |
| USB 3.2 Gen 1 port | 2 |
| Form Factor | 1U Short Depth Rackmount |
| LED Indicators | HDD 1-4, Status, LAN, USB, M.2 SSD 1-2 |
| Buttons | Power, Reset |
| Dimensions (HxWxD) | 43.3 × 430 × 292.12 mm Excludes ear hook and the protruding part of the Power Supply Unit. |
| Weight (Net) | 4.91 kg |
| Weight (Gross) | 5.82 kg |
| Operating Temperature | 0 – 40 °C (32°F – 104°F) |
| Storage Temperature | -20 – 70°C (-4°F – 158°F) |
| Relative Humidity | 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) |
| Power Supply Unit | 100W PSU, 100-240V |
| Power Consumption: HDD Sleep Mode | 17.367 W |
| Power Consumption: Operating Mode, Typical | 30.878 W |
| Fan | 3 x 40mm, 12VDC |
| System Warning | Buzzer |
| Kensington Security Slot | |
| Standard Warranty | 3 |
| Max. Number of Concurrent Connections (CIFS) – with Max. Memory | 1500 |
Synology DiskStation DS1821 Plus 
TP-LINK ER706W-4G Omada 4G+ Cat6 AX3000 Gigabit VPN Router 
Router Board MIKROTIK (CRS328-24P-4S+RM) 
