UGREEN USB-C HDD Enclosure 2.5 Inch SATA External CM300
Overview
The UGREEN CM300 is a high-speed external enclosure that converts a 2.5-inch SATA HDD or SSD into a portable USB-C storage device. It is designed for users who want to reuse internal drives, perform backups, or expand storage without buying a new external drive. It combines speed, portability, and ease of use in one compact solution.
Performance and Speed
The enclosure supports USB-C 3.1 Gen 2, delivering transfer speeds of up to 10Gbps depending on the host device and drive used . It also supports UASP (USB Attached SCSI Protocol), which improves read and write performance and reduces latency during large file transfers . This makes it suitable for transferring large files such as videos, backups, and system data quickly.
Drive Compatibility
The CM300 supports 2.5-inch SATA drives, including SATA I, II, and III interfaces . It works with both HDDs and SSDs, giving flexibility depending on your storage needs. It supports drives with thicknesses of 7mm to 9.5mm and capacities up to around 6TB . However, it does not support M.2 or NVMe drives, as it is specifically designed for standard SATA drives.
Ease of Installation
The enclosure features a tool-free design that allows quick installation. You simply slide the drive into the enclosure and close it. No screws or tools are required. Once connected via USB-C, it works instantly with plug-and-play support, meaning no drivers are needed . It also supports hot-swapping, so you can connect and disconnect it without restarting your system.
Build Quality and Design
The CM300 is built with a combination of ABS plastic and aluminum alloy materials. This design ensures durability while keeping the enclosure lightweight and portable . The aluminum helps with heat dissipation, which is important for maintaining stable performance during extended use. Its slim design makes it easy to carry in a laptop bag or pocket.
Power and Connectivity
The enclosure is bus-powered, meaning it draws power directly from the USB connection. No external power adapter is required . It includes a USB-C to USB-C cable for modern devices, ensuring compatibility with newer laptops and tablets . It is also backward compatible with older USB standards.
System Compatibility
The CM300 works with multiple operating systems, including Windows, macOS, and Linux . It also supports some Android devices with OTG functionality, allowing mobile access to external storage. This wide compatibility makes it suitable for both personal and professional use.
Practical Applications
This enclosure is ideal for data backup, file transfer, and storage expansion. It allows you to reuse old laptop drives as external storage. It is also useful for IT technicians who need to access data from internal drives. In addition, it works well for media storage, system migration, and portable data access.
Advantages
- High-speed transfer up to 10Gbps
- Supports UASP for improved performance
- Tool-free installation for quick setup
- Compatible with both HDD and SSD
- Portable and lightweight design
- No external power required
- Wide OS compatibility
Limitations
- Only supports 2.5-inch SATA drives
- Not compatible with NVMe or M.2 SSDs
- Actual speed depends on the installed drive
- Limited noise and vibration control compared to premium enclosures
QUICK LINKS
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GENERIC ENCLOSURE FOR 2.5″ HDD USB 3.0




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