UBIQUITI UniFi 1U Rack-mount Network Attached Storage UNAS Pro 4 (UNAS-Pro-4)

Features:

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.

Specification:

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+: ✓
    RPS: ✓
    HDD: ✓
    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: ✓