Ubiquiti UniFi Cloud Key Ultra – UK-Ultra
Compact UniFi OS Console with Built-In Storage and Dual Application Hosting
The Ubiquiti UniFi Cloud Key Ultra (UK-Ultra) is a powerful, all-in-one UniFi OS Console designed for managing UniFi Network and UniFi Protect. With 128GB of onboard storage, a silent fanless design, and PoE or USB-C power options, it's the ideal compact console for small to mid-size deployments that require both network and video surveillance management from a single device.
Key Features:
• Dual UniFi Application Support: Runs UniFi Network and UniFi Protect simultaneously
• Integrated Storage: 128GB SSD for local video storage and backups
• Compact & Silent: Fanless, space-saving form factor with metal enclosure
• PoE & USB-C Powered: Flexible power options for clean installs
• Cloud Access: Secure remote access via UniFi cloud portal
• USB Expansion: USB 3.0 port for external drives (optional)
Ideal For:
Home and small business environments
Installers deploying network + camera systems
Replacing Cloud Key Gen2 Plus with smaller footprint
All-in-one local UniFi OS management
Why Choose the UK-Ultra?
It’s the sleekest, most flexible UniFi console for running both network and camera systems in one device — with cloud access, local storage, and zero noise.
Key Highlights:
- ✅ Runs UniFi Network and UniFi Protect simultaneously
- ✅ 128GB SSD onboard storage
- ✅ Fanless metal housing for silent operation
- ✅ Powered via PoE or USB-C (cables included)
Frequently Asked Questions:
Q: Can I upgrade the internal storage?
A: No, the UK-Ultra has fixed internal storage, but you can connect an external drive via USB 3.0.
Q: Does this replace the Cloud Key Gen2 Plus?
A: Yes, for most users. It supports the same applications in a smaller, fanless design.
Q: How many cameras can it support?
A: Up to 20 HD cameras or fewer higher-resolution cameras, depending on frame rate and retention needs.
Overview
Dimensions: 137 x 84 x 34 mm (5.4 x 3.3 x 1.3")
WiFi Standard: WiFi 5
Spatial Streams: 4
Coverage Area: 115 m² (1,250 ft²)
Max. Client Count: 200+
Uplink: GbE
Mounting: Ceiling, Wall, Pole, Table (Mounts Included); Desktop Stand (Optional)
Weatherproofing: IPX6
Power Method: PoE
Performance
MIMO:
5 GHz: 2 x 2 (DL MU-MIMO)
2.4 GHz: 2 x 2 (DL MU-MIMO)
Max. Data Rate:
5 GHz: 866.7 Mbps (BW80)
2.4 GHz: 300 Mbps (BW40)
Antenna Gain:
5 GHz: 6.1 dBi
2.4 GHz: 4.7 dBi
Max. TX Power:
5 GHz: 20 dBm
2.4 GHz: 20 dBm
Max. BSSIDs: 8 per radio
Supported Data Rates
802.11ac (WiFi 5): 6.5 Mbps to 866.7 Mbps (MCS0–MCS9 NSS1/2, VHT 20/40/80)
802.11n: 6.5 Mbps to 300 Mbps (MCS0–MCS15, HT 20/40)
Features
Wireless Meshing: Yes
Band Steering: Yes
802.11v BSS Transition Management: Yes
802.11r Fast Roaming: Yes
802.11k Radio Resource Management (RRM): Yes
Advanced Radio Management: Yes
Passpoint (Hotspot 2.0): Yes
Captive Hotspot Portal: Custom Branding Landing Page
Voucher Authentication: Yes
Payment-Based Authentication: Yes
External Portal Server Support: Yes
Password Authentication: Yes
Guest Network Isolation: Yes
Private Pre-Shared Key (PPSK): Yes
WiFi Speed Limiting: Yes
Client Device Isolation: Yes
WiFi Schedules: Yes
RADIUS over TLS (RadSec): Yes
Dynamic RADIUS-assigned VLAN: Yes
Hardware
Max. Power Consumption: 8W
Supported Voltage Range: 44–57V DC
Networking Interface: (1) GbE RJ45 port
Weight: 173 g (6.1 oz)
Wind Loading: 33.2 N at 200 km/h (7.5 lbf at 125 mph)
Pole Mount Diameter: 1–2" (25–50 mm)
Antennas: (1) Internal antenna, (2) RP-SMA connectors
Management: Ethernet
Enclosure Material: UV-stabilized polycarbonate
Mount Material: Polycarbonate, SGCC steel, plastic
LEDs:
System: (1) Power – White/Blue
(4) Mesh Signal – Blue
Channel Bandwidth: HT 20/40, VHT 20/40/80, HE 20/40/80 (MHz)
Operating Frequency
US/CA:
2.4 GHz: 2400–2472 MHz
5 GHz: U-NII-1: 5150–5250 MHz, U-NII-2A: 5250–5350 MHz, U-NII-2C: 5470–5725 MHz, U-NII-3: 5725–5850 MHz
Worldwide:
2.4 GHz: 2400–2483.5 MHz
5 GHz: 5150–5725 MHz
Environmental
Ambient Operating Temperature: –40 to 60°C (–40 to 140°F)
Ambient Operating Humidity: 5 to 95% noncondensing
Certifications: CE, FCC, IC
NDAA Compliant: Yes
