Description
The UGREEN CM777 (25665) M.2 NVMe/SATA SSD Enclosure provides a fast and convenient way to access M.2 SSDs through USB-C. It supports both NVMe and SATA SSDs in 2230, 2242, 2260, and 2280 sizes, with tested capacities up to 4TB and theoretical support up to 8TB. Its USB 3.2 Gen 2×2 interface delivers transfer speeds up to 20Gbps, while the enclosure supports PCIe 3.0 x4 NVMe speeds up to 32Gbps and SATA 3.0 up to 6Gbps. The aluminum alloy shell provides durability and effective heat dissipation. With SMART, UASP, and TRIM support, it helps maintain SSD performance and longevity. The enclosure also features automatic sleep after around 15 minutes of inactivity, status indicators, surge protection, and short-circuit protection. Plug-and-play and driver-free operation makes it compatible with Windows, macOS, and Linux for convenient storage expansion, file transfer, and backup.
Specifications
| Specification | Details |
|---|---|
| Model | UGREEN CM777 (25665) |
| Product Type | M.2 NVMe/SATA SSD Enclosure |
| Input Port | 1× USB-C Female |
| USB Standard | USB 3.2 Gen 2×2 |
| USB Transfer Speed | Up to 20Gbps |
| Backward Compatibility | USB 3.2 Gen 2, USB 3.0, USB 2.0, USB 1.1 |
| Output Interface | 1× M-Key Female Board |
| PCIe Standard | PCIe 3.0 x4 |
| PCIe Speed | Up to 32Gbps |
| NVMe Support | NVMe 1.3c |
| SATA Support | SATA 3.0, SATA 2.0 |
| SATA Speed | Up to 6Gbps |
| SSD Type | M.2 NVMe/SATA SSD |
| Supported SSD Sizes | 2230 / 2242 / 2260 / 2280 |
| Tested Capacity | Up to 4TB |
| Theoretical Capacity | Up to 8TB |
| Protocol Features | SMART, UASP, TRIM |
| Power Source | USB-powered |
| Automatic Startup | Yes |
| Power Consumption (No-load) | Approx. 0.88A |
| Power Consumption (Working) | Approx. 0.885A |
| Surge Protection | 12V |
| Short-Circuit Protection | Yes |
| Downlink Power Supply | 3.3V |
| Automatic Sleep | After approximately 15 minutes of inactivity |
| Indicator Light | White LED |
| Diskless Status | LED Off |
| Reading/Writing | Alternating On/Off |
| Low Power | White Breathing |
| Safe Exit | Alternating White On/Off |
| Standby | White Steady |
| Operating Temperature | 0°C to 45°C |
| Storage Temperature | -20°C to 70°C |
| Maximum Surface Temperature | 62.7°C at full load |
| Shell Material | Aluminum Alloy |
| Cable Material | PVC, Fire-Retardant V0 |
| Operating System | Windows, macOS, Linux |
| Driver Requirement | Driver-free |
| Firmware Upgrade | Online firmware upgrades on Windows |
| Connection | Plug-and-play |
| Manual Reset | Not required |
Dual NVMe & SATA SSD Compatibility
The UGREEN CM777 supports both M.2 NVMe and SATA SSDs, making it a versatile storage enclosure. It accommodates 2230, 2242, 2260, and 2280 form factors and supports tested capacities up to 4TB, with theoretical support up to 8TB.
High-Speed USB 3.2 Gen 2×2
Equipped with a USB-C interface supporting USB 3.2 Gen 2×2, the enclosure provides transfer speeds of up to 20Gbps. It is also backward compatible with USB 3.2 Gen 2, USB 3.0, USB 2.0, and USB 1.1 devices.
Fast NVMe & SATA Performance
The M-Key interface supports PCIe 3.0 x4 and NVMe 1.3c, delivering theoretical speeds up to 32Gbps. SATA SSDs are also supported with SATA 3.0 speeds of up to 6Gbps, along with SATA 2.0 compatibility.
SMART, UASP & TRIM Support
SMART, UASP, and TRIM support helps improve storage management and overall SSD performance. These features can contribute to efficient data transfers, better drive maintenance, and improved long-term SSD operation.
Automatic Sleep & LED Indicators
To reduce unnecessary power consumption, the enclosure automatically puts the SSD into sleep mode after approximately 15 minutes of inactivity. Its white LED provides different status indications for reading/writing, low power, safe removal, standby, and diskless conditions.
Durable Aluminum Alloy Construction
The enclosure features an aluminum alloy shell designed for durability and heat management. It operates between 0°C and 45°C, while the measured maximum surface temperature reaches 62.7°C under full load.
Plug-and-Play Protection
The CM777 is USB-powered and automatically starts when connected, requiring no separate power adapter or manual reset. It provides 12V surge protection, short-circuit protection, and 3.3V downlink power protection for safer operation. Driver-free compatibility with Windows, macOS, and Linux makes setup simple.
