UNAS-Pro-4 - UniFi Network Attached Storage Pro 4
1U rack-mount NAS with (4) 2.5/3.5" HDD bays and (2) M.2 NVMe SSD cache slots, delivering faster access, lower latency, and high-availability 10 Gbps networking for large-scale file storage and sharing.
Dimensions
442.4 x 400 x 43.7 mm (17.4 × 15.7 × 1.7")
Storage Capacity
(4) 2.5/3.5" drive bays (2) M.2 NVMe bays
Networking Interface
(2) 10G SFP+ (10G only) (1) GbE RJ45 (1G/100M/10M)
Power Redundancy
✓
Form Factor
Rack mount (1U)
Hardware
Hard Drive Capacity
(4) 2.5/3.5" HDD / SSD support (2) M.2 NVMe SSD support
Max. Power Budget for Drives
125W
Max. Power Consumption
150W
Power Method
(1) Universal AC input, 100–240V AC, 3A Max., 50/60 Hz (1) USP-RPS DC input, 11.5V DC, 13.91A
Power Supply
AC/DC, internal, 150W
Processor
Quad-Core ARM® Cortex®-A57 at 2.0 GHz
Memory
8 GB
Management
Ethernet
RF Interface
Bluetooth 4.1
Weight
6.7 kg (14.8 lb)
Enclosure Material
SGCC steel
Mount Material
SGCC steel
Supported Rack Depth
The rails support 600 mm (23.6") four-post racks with square holes (9.5 x 9.5 mm) Posts depths ranging from 600–1066 mm (23.6–42")
LEDs
Ethernet
✓
SFP+
✓
HDD
✓
RPS
✓
System
✓
Ambient Operating Temperature
-5 to 40° C (23 to 104° F)
Ambient Operating Humidity
5 to 95% noncondensing
NDAA Compliant
✓
Certifications
FCC, CE, IC
Software
Supported File Protocols
NFS
✓
SMB
✓
Supported features on unifi.ui.com
RAID Type
RAID 5 RAID 6 RAID 10
RAID Group
Single
Personal Drive & Shared Drive
✓
SSD Cache
✓
Max. NVMe SSD Capacity Supported
4 TiB
File Encryption
✓
Backup to Remote UNAS
✓
Backup to CIFS/SMB Server
✓
Backup to Cloud Services (Google Drive, OneDrive, Dropbox, Amazon S3, Backblaze B2, Wasabi)
✓
Snapshots
✓
Share Links
✓
Time Machine Backup
✓
Client App Support
✓
User Groups
✓
