CM321-70609 specification sheet

Overview:

The UGREEN CM321 USB 3.0 to SATA Converter is built for users who need fast and convenient access to 2.5-inch SATA HDDs and SSDs. Designed for smooth file transfers, quick backups, and simple drive access, this compact adapter connects directly through a USB-A port without requiring additional drivers or power adapters. Whether you are upgrading storage, recovering files from an old laptop drive, or expanding console storage, the CM321 offers a reliable and portable solution with high-speed USB 3.0 performance.

Description:

The UGREEN CM321 USB-A to SATA converter delivers a simple way to connect 2.5-inch SATA hard drives and SSDs to laptops, desktop PCs, gaming consoles, routers, and smart TVs. Supporting transfer speeds up to 5Gbps with UASP acceleration, it helps reduce waiting time during backups and large file transfers. Its lightweight design, plug-and-play setup, and support for drives up to 6TB make it ideal for home users, professionals, and gamers looking for fast external storage access. Part Number / SKU: CM321-70609.

Features:

Fast USB 3.0 Performance for Everyday Storage Tasks
Built with USB 3.0 connectivity, the UGREEN CM321 offers transfer speeds up to 5Gbps, allowing large files, videos, games, and backups to move quickly between devices. When paired with SATA III SSDs, the adapter also benefits from UASP technology for improved throughput and lower latency during demanding transfers.

TRIM support further improves SSD efficiency by maintaining long-term performance during continuous use. This makes the adapter suitable for content creators, IT technicians, gamers, and anyone handling large data transfers regularly.

Key performance advantages include:

• USB 3.0 transfer speeds up to 5Gbps
• SATA III interface support up to 6Gbps
• UASP acceleration for improved transfer efficiency
• TRIM compatibility for SSD optimization
• Stable and reliable data communication

Simple Plug-and-Play Connectivity
The CM321 SATA converter is designed for quick deployment with no technical setup required. Simply connect a compatible 2.5-inch SATA drive and plug the USB connector into a computer or console. The adapter is powered directly through the USB port, eliminating the need for bulky external power supplies.

Hot-swapping support allows drives to be connected or removed without restarting the system, making it practical for technicians, office environments, and users frequently moving data between systems.

Practical highlights:

• No drivers required
• USB bus-powered operation
• Hot-swap compatible
• Portable 50cm cable design
• LED activity indicator

Wide Compatibility Across Devices and Platforms
The UGREEN CM321 USB to SATA adapter supports a broad range of operating systems and devices, making it suitable for both personal and professional environments. It works with Windows, macOS, Linux, and ChromeOS systems while also supporting popular gaming consoles and media devices.

Compatible devices include:

• Desktop PCs
• Laptops
• Smart TVs
• Routers
• PlayStation 5
• PlayStation 4
• Xbox One
• Xbox 360

Supported drive types:

• 2.5-inch SATA HDDs
• 2.5-inch SATA SSDs
• SATA I, SATA II, and SATA III drives

Unsupported devices:

• 3.5-inch SATA drives
• IDE drives

Reliable Storage Expansion and Data Recovery
This USB 3.0 SATA converter is especially useful for recovering files from older drives, cloning SSDs, expanding gaming storage, or reusing spare laptop drives as portable external storage. With support for capacities up to 6TB, the adapter is capable of handling modern high-capacity drives without issue.

The built-in auto-sleep mode helps reduce unnecessary power usage by placing the drive into standby after inactivity, while S.M.A.R.T monitoring support assists with tracking drive health and performance over time.

Technical Details
Important specifications for the UGREEN CM321-70609:

• USB Connector: USB-A Male
• Drive Interface: SATA III 7+15 Pin Female
• Interface Type: USB 3.0 to SATA III
• Maximum Drive Capacity: Up to 6TB
• Cable Length: 50cm
• Data Transfer Speed: Up to 5Gbps
• Product Weight: 100g
• Dimensions: 12 x 12 x 2cm
• Plug and Play Support: Yes
• External Power Required: No

Package Contents
Inside the box:

• UGREEN CM321 USB 3.0 Type-A to 2.5-inch SATA Converter

Why Choose the UGREEN CM321 USB to SATA Adapter
The UGREEN CM321 combines speed, portability, and broad compatibility into a compact storage accessory suitable for modern workflows. Its high-speed USB 3.0 connection, reliable SATA support, and easy plug-and-play functionality make it an effective solution for storage expansion, file recovery, SSD upgrades, and portable drive access.

With Part Number CM321-70609, this adapter is a practical choice for users who want dependable external drive connectivity without unnecessary complexity.

Specifications:

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Specifications
Product Code	CM321-70609
USB Connector	USB-A Male
Drive Connector	SATA III (7+15 Pin) Female
Interface Type	USB 3.0 to SATA III
Supported Drive Type	2.5" SATA HDD / SSD
Supported SATA Standards	SATA III / SATA II / SATA I
Maximum Supported Capacity	Up to 6TB
USB Data Transfer Speed	Up to 5Gbps
SATA Interface Speed	Up to 6Gbps
Data Transfer Technology	UASP Enabled
TRIM Support	Yes
Plug & Play	Yes
Driver Required	No
Power Source	USB Bus Powered
Hot Swap Support	Yes
LED Indicator	Yes
Auto Sleep Function	Yes (after approximately 3 minutes of inactivity)
M.A.R.T Monitoring Support	Yes
Operating System Compatibility	Windows, macOS, Linux, ChromeOS
Device Compatibility	PC, Laptop, Smart TV, Router, PS5, PS4, PS3, Xbox One, Xbox 360
Drive Compatibility	2.5" SATA HDD and SSD only
Unsupported Devices	3.5" SATA Drives, IDE Drives
Cable Length	50cm
Product Weight	100g
Product Dimensions	12 x 12 x 2cm