- Product code: RB951Ui-2HnD
- Architecture: MIPSBE
- CPU: AR9344
- CPU core count: 1
- CPU nominal frequency: 600 MHz
- Dimensions: 113x138x29mm
- License level: 4
- Operating System: RouterOS
- Size of RAM: 128 MB
- Storage size: 128 MB
- Storage type: NAND
- Tested ambient temperature: -20C +50C

Powering
- Max Power consumption: Up to 7W
- PoE in: Passive PoE
- PoE out: Passive PoE
- PoE in input Voltage 9-30 V
- Number of DC inputs: 2 (DC jack, PoE-IN)
- DC jack input Voltage: 9-30 V

Wireless
- Wireless 2.4 GHz number of chains: 2
- Wireless 2.4 GHz standards: 802.11b/g/n
- Antenna gain dBi for 2.4 GHz: 2.5
- Wireless 2.4 GHz chip model: AR9344

Ethernet
- 10/100 Ethernet ports: 5

Peripherals
- Number of USB ports: 1
- USB Power Reset: Yes
- USB slot type: USB type A