The Better Alternative to External Hard Drives: With NAS, you benefit from centralized storage, automatic backups, remote access, and versatile RAID options that enable easy data recovery, even in the event of a hard drive failure.

Enormous Storage Capacity: No more storage space issues. With a capacity of up to 136 TB, you can store 47 million photos or 92,000 movies!

Super-Fast Transfers: Secure 1GB in less than 2 seconds with the 2x 2.5GbE network ports or the 10Gbps USB ports.

Secure Private Cloud: Retain 100% data sovereignty with advanced encryption to protect your files. Flexible permission management allows you to preserve your privacy when collaborating with others.

AI Photo Album: Automatically organizes your photos by recognizing faces, scenes, objects, and locations. It can also remove duplicate photos instantly, freeing up storage space and saving you time.

User-Friendly App: Easy setup and straightforward file sharing on Windows, macOS, Android, iOS, web browsers, and smart TVs, so you can access securely from any device.

Note: Hard drives are not included in the delivery and must be purchased separately.

No Monthly Fee: One purchase to store all your family memories. By eliminating cloud storage costs, you save €719.88 per year* (Based on the standard 12 TB plan at €59.99/month). DH4300Plus Desktop NAS

AI automatically organizes photos by faces, scenes, and locations, removes duplicates, and creates personalized baby growth albums—so all precious moments are effortlessly preserved and easily shareable with family via QR code or link.

Huge 120 TB Storage Capacity: Provides ample space to safely back up all your files, photos, videos, and memories, with extra room for future growth.

Your Data in Your Hands: Store your data securely locally. Advanced encryption, a firewall, and two-factor authentication reliably protect your files from unauthorized access—even UGREEN has no access to your private data.

Powerful, Efficient Hardware: Driven by the A76+A55 8 Cores and 2.5GbE, everything runs efficiently and smoothly—even with multiple applications. 1 GB is transferred in just 3 seconds—ideal for video editing, 4K streaming, and everyday data storage.

Note: Storage drives are not included in the delivery and must be purchased separately.

Ultra-Fast USB4 40Gbps Speeds for Demanding Workflows: The D4 SSD NVMe enclosure adopts USB4 (40Gbps) technology, and it's backward-compatible with Thunderbolt 3/4/5, USB 3.2/3.1/3.0. It delivers speeds up to 3,224MB/s with 4x 990 PRO SSDs, or 1,608MB/s with a single SSD, ideal for 4K video editing and large file transfers.

Massive 32TB Storage Capacity in a Compact Design: With support for four M.2 NVMe 2280 SSDs (up to 8TB each), this NVMe SSD enclosure provides up to 32TB of high-speed storage. Its book-sized, lightweight form factor fits seamlessly on desks, shelves, or in travel bags. Note: No built-in RAID; supports single-disk mode (soft RAID via third-party tools).

Whisper-Quiet Operation with Intelligent Cooling: An advanced active cooling system with temperature-controlled fans keeps the NVMe external enclosure silent (<19dB in standby) even under heavy loads. Four internal temperature sensors ensure optimal heat dissipation, protecting your SSDs while maintaining a distraction-free environment.

Universal Compatibility: The D4 SSD M.2 NVMe enclosure works as a plug-and-play storage expansion for Mac mini, a bootable macOS drive, or a high-speed Windows/Linux external drive. Comes with a 12V/2A power adapter and features wide voltage input compatibility (12V-20V), ensuring stable operation with various devices including Mac mini, Windows PCs, and mini-computers.

Automated Data Protection & Easy Backup: The included TDAS Mobile App lets you wirelessly back up photos/videos from iOS/Android devices, while TPC Backupper software enables scheduled Windows backups. Power-loss recovery ensures auto-restart after outages, making it server/NAS-ready.

USB 3.2 Gen 1 Type-C port* for faster data transfer.

Supports up to four SATA drives for reliable read and write performance

Disk mode DIP switch to change from Hardware Control and Software Control configurations for setting RAID group.

Lockable hard drive trays to prevent accidental drive removal.

Eject button for disconnecting the TR-004 from a NAS or computer.

High-Speed Data Transmission: The D4-320 hard drive enclosure utilizes the USB 3.2 Gen2 protocol, achieving high-speed data transmission of up to 10Gbps. When equipped with four hard drives, the actual read/write speed can reach up to 1,016 MB/s (combined read/write with four SATA III HDDs of 8TB each). With just one SSD installed, the read speed effortlessly reaches 510 MB/s (SATA III 1TB SSD). The D4-320 supports a single HDD up to 22TB, with a total capacity of 88TB, and is compatible with various hard drives, including 3.5-inch SATA hard drives, 2.5-inch SATA hard drives, and 2.5-inch SATA SSDs.

Plug-and-Play Compatibility: The D4-320 USB storage supports 4 individual disks (NO RAID function), and is plug-and-play, eliminating the need for drivers. It is highly compatible with MAC, Windows, and Linux operating systems. The USB Type-C interface supports various computer interfaces, including USB 3.0, USB 3.1, USB 3.2, Thunderbolt 3, and Thunderbolt 4.

Hot Swappable Convenience: The D4-320 HDD enclosure supports hot swapping, allowing users to replace hard disks without powering off the device. This feature enhances convenience and efficiency in data transfer processes.

Tool-Free Hard Drive Management: Featuring a tool-free hard drive tray design, the D4-320 external HDD enclosure enables easy installation and removal of hard drives without requiring additional tools. Furthermore, the D4-320 incorporates TerraMaster's unique Push-lock design, automatically securing the hard drive tray upon insertion, preventing the hard drive from falling out or disconnecting.

Efficient Heat Dissipation and Quieter Operation: The D4-320 direct attached storage incorporates an intelligent temperature-controlled fan for optimal heat dissipation. Additionally, specialized sound-absorbing panels and vibration damping measures contribute to a quieter operation, with noise levels reduced by up to 50% compared to the previous generation. In standby mode, the noise level drops below 21 dB(A), creating a remarkably quiet user environment.

【Reliable External Storage System for Individuals and Business】The 4 Bay Hard Drive Enclosure supports 2.5/3.5 inches HDD and SSD, max capacity up to 80TB( 20TB for each hard drive), it is a ideal external hard drive enclosure for personal or enterprise using. Save space on your desktop or laptop.

【Great Cooling System】The 3.5 hard drive enclosure built in Aluminum-Alloy materials and 2 inch Silent Fans. Maximize the security of your data. The fan requires a USB cable to be connected before it work. NOTE: Fan noise is around 40-50 decibels, not recommended if you are very sensitive to noise.

【Up to 5Gbps】This 4 bay enclosure equips with JMS567+JMB575 chip and USB 3.0 output interface, Max 5Gbps under UASP control. Transfer 1G movie in 3-5 seconds with USB 3.0 Ports, which is 10 times faster than USB 2.0.

【Wide Compatibility, Plug and Play】Equipped with USB A/C 3.0 Cable. Compatible with Windows 7 and above, Mac 9.1 and above, Linux. Plug and play, supports hot swappable.

【Stable power supply】The hdd enclosure equipped with DC 12V power adapter which can provide stability for high-speed transmission.

【Quality Assurance】Cenmate provides friendly technical support. If you have any questions about the product, please don't hesitate to contact us, we reply and solve your problem within 24 hours.

[Daisy Chain Expansion]: Support up to 22 TB 3.5-inch SATA hard disks and max up to 88TB capacity. Expansion 264 TB storage through daisy chain up to 3 devices, with 10Gbps USB 3.1 Gen 2 which can easily cope with the bulk data processing needs of video editors

[USB C Hub]: In the event of multiple projects or frequent substitution of data storage devices, flexible storage management enables regular backup of crucial files to guarantee data security; It supports plug and play, with no necessity to install additional drivers, and is compatible with all kinds of mainstream operating systems

[Support Single Disk Replacement]: The daisy chain external enclosure is equipped with 4 independent disk slots and supports the eject function of a single disk, which is convenient for quick replacement and upgrade without interrupting the workflow of other disk slots

[High Power Supply]: Built-in 150 W power supply within smooth data transfer when multi-disk reading. No need extra large power adapters, creating a comfortable and tidy creative environment

[Well-done Heat Dissipation] Aluminum alloy metal shell within 80mm cooling fan with the holes of front and rear heat dissipation airflow design, effectively discharge heat in time even under high load conditions, keep long-term stable and efficient operation of the equipment

[Support Mini ITX Motherboard] ITX Motherboard dimension 6.7*6.7in (17*17cm).

[Support Flex or 1U Power Supply Unit] Flex PSU dimension 3.21*1.59*5.91in (81.5*40.5*150mm). 1U PSU dimension 3.94*1.59in (100*40.5mm) maximum length 7.48in (190mm).

[Support 1 Single Slot Full Height PCI-e Expansion Card] To add video card or network card or more.

[Come With 2 Front USB 3.0] USB 3.0 for faster data transfer.

[Come With 1 8cm Replaceable Fan] Pre-installed 80*80*25mm chassis fan.