The Ubiquiti UniFi UNAS 2 is a UniFi Network Attached Storage with 2 x 3.5″ HDD bays, 2.5 GbE networking, USB-C connectivity, and an included PoE++ adapter, all in a compact footprint.

Key Features:
Form factor: 2-bay NAS designed for small UniFi setups or edge deployments.
Storage: Supports two 3.5″ or 2.5″ SATA drives (HDD or SSD).
Performance: Powered by ARM-based SoC, optimized for UniFi OS apps.
Networking: 1 x Gigabit RJ45 port.
Management: Runs UniFi OS, so you can host controllers (Network, Protect, Talk, Access).
Usage case: Compact storage solution for UniFi Protect video, backups, or controller hosting.
Power: External PSU, low energy consumption.

Dimensions
135 x 129 x 223.7 mm
(5.3 x 5.1 x 8.8″)

Storage Capacity
(2) 3.5″ drive bays

Networking Interface
(1) 2.5 GbE RJ45 (2.5G/1G/100M/10M)

Expansion Port
(1) 5 Gbps USB-C

Form Factor
Desktop

Hardware

Hard Drive Capacity
(2) 3.5″ HDD support

USB Drive
Yes

Max. Power Budget for Drives
52W

Max. Power Consumption
60W

Power Method
PoE++

Power Supply
60W PoE++ adapter (Included)

Processor
Quad-Core ARM Cortex -A55 at 1.7 GHz

Memory
4 GB

Management
Ethernet

RF Interface
Bluetooth 4.1

Display
1.47″ color LCM

Weight
1.3 kg (2.85 lb)

Enclosure Material
Polycarbonate

LEDs
System – Yes

Ambient Operating Temperature
-5 to 40 C (23 to 104F)

Ambient Operating Humidity
10 to 90% noncondensing

NDAA Compliant
Yes

Certifications
FCC, CE, IC

Software

Application Requirements

UniFi Drive
Version 3.1.7 and later

Mobile App
iOS version 10.28.0 and later
Android version 10.28.3 and later

Supported File Protocols
NFS – Yes
SMB – Yes

Supported features on unifi.ui.com

RAID Type
RAID 1

RAID Group
Single

Personal Drive & Shared Drive
Yes

File Encryption
Yes

Backup to Remote UNAS
Yes

Backup to CIFS/SMB Server
Yes

Backup to Cloud Services (Google Drive, OneDrive, Dropbox, Amazon S3, Backblaze B2, Wasabi)
Yes

Snapshots
Yes

Share Links
Yes

Time Machine Backup
Yes

Client App Support
Yes

User Groups
Yes