Introduction
The UGREEN NAS DH4300 Plus is a 4-bay desktop Network Attached Storage (NAS) device designed for secure and private data storage, media management, and efficient file sharing. It supports a massive capacity of up to 120TB, offering ample space for your digital content. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your NAS device.
Package Contents
- UGREEN DH4300 Plus NAS
- Power Adapter
- Quick Start Guide
- Ethernet Cable (CAT 7)
- Screws & Screwdriver (for drive installation)

Setup Guide
1. Drive Installation
The UGREEN NAS DH4300 Plus is diskless, meaning hard drives are not included and must be purchased separately. It is compatible with various third-party hard drives from brands like Western Digital, Seagate, and Toshiba. Refer to the official UGREEN website for a full compatibility list.
To install drives, gently slide open the magnetic top cover. Insert your 3.5-inch or 2.5-inch SATA hard drives into the available bays. Secure them using the provided screws and screwdriver. Ensure each drive is firmly seated in its bay.
2. Initial Connection & Setup
Connect the NAS to your network using the included Ethernet cable and power it on with the provided power adapter. The device features a user-friendly app for easy setup across various operating systems.
- Download App: Scan the QR code or tap NFC (for NFC-enabled Android/iOS devices) to download the UGREEN NAS app.
- Pair Device: Connect your mobile device to the same Wi-Fi network as the NAS. Use the app to find and pair with your NAS device.
- Enable Auto-Backup: Follow the in-app instructions to configure automatic backups and other features.



Operating Instructions
Massive Storage Capacity
The DH4300 Plus supports up to 120TB of storage, providing extensive space for photos, videos, music, and documents. It facilitates automatic backups from multiple devices, regardless of their operating system (iOS, Android, macOS, Windows).

AI Photo Album & Management
Utilize the intelligent AI album features for real-time photo backups and smart organization. The system supports semantic search, custom learning, and recognition of people, objects, and pets, making it easy to classify and find your photos. It can also identify and remove duplicate photos.

Remote Access & Multi-Device Compatibility
Access your data remotely from any of your devices, including Windows, macOS, Android, iOS, web browsers, and smart TVs. The UGREEN NAS app provides a unified interface for managing your files and settings.

Home Media Hub
The NAS supports 4K HDMI video output, allowing you to enjoy your media directly on a large screen. Build a personal video library with automatic metadata fetching and smooth streaming capabilities.

Official Product Video
Data Security and Protection
The UGREEN NAS provides a secure and private data storage solution by keeping your data locally on your private hard drives. It supports advanced encryption and is TRUSTe certified, ensuring full control over your information.
- 2FA Identity Verification: Enhance security with two-factor authentication for login.
- RAID Data Protection: Supports various RAID modes (Basic, JBOD, RAID 0/1/5/6/10) for reliable local storage and data recovery in case of drive failure.
- Permission Controls: Set up private folders and spaces for individual users while enabling easy sharing.

Maintenance
Cooling System
The NAS features quiet hydraulic fan cooling to maintain optimal operating temperatures and ensure stable data read/write performance. The magnetic top cover allows for effortless access for maintenance and drive management.

Troubleshooting & FAQs
Q1: How does DH4300 Plus differ from DXP models?
DH4300 Plus offers core features like file storage, backup, sync, and remote access at a lower price. It's ideal for first-time NAS users or those with basic storage needs.
Q2: What's the maximum capacity? Which RAID modes are supported?
The 4-bay design supports up to 30TB per drive (120TB total). Supported RAID modes include Basic, JBOD, and RAID 0, 1, 5, 6, and 10.
Q3: What features make DH4300 Plus special?
DH4300 Plus supports NFC instant access and includes AI Album, which uses AI to recognize people, text, scenes, and objects. It also detects duplicate and similar photos. NLP-based image search enables remote access via UGREENLink, with DDNS support included.
Q4: Are Docker and virtual machines supported?
Docker is supported, although virtual machines are not. VM functionality is available on the UGREEN NASync DXP series and above.
Specifications
| Feature | Detail |
|---|---|
| Brand | UGREEN |
| Model Number | DXP4300 Plus, 4-Bay |
| Hard Drive Support | Up to 120TB (30TB per drive), Serial ATA, 7200 RPM |
| RAM | 8GB LPDDR4X |
| Network Port | 2.5GbE |
| Video Output | 4K HDMI |
| USB Ports | USB 3.2 Gen1 (x2), USB-C 3.2 Gen1 (x1) |
| Hardware Platform | Mac, PC |
| Item Weight | 5.99 pounds |
| Dimensions | 10.5 x 10 x 9 inches |
| Color | Grey |
| Batteries | 1 CR2032 (included) |
Warranty and Support
The UGREEN NAS DH4300 Plus comes with a 2-year warranty from the manufacturer, UGREEN GROUP LIMITED. For technical support, troubleshooting assistance, or warranty claims, please contact UGREEN customer service through their official website or the contact information provided in your Quick Start Guide.
Additional protection plans may be available for purchase, offering extended coverage beyond the standard manufacturer's warranty. Please refer to your purchase details for more information on available protection plans.