UGREEN CM847 USB4 2-Bay M.2 NVMe SSD Enclosure with Offline Clone & RAID – 40Gbps Dual NVMe Storage Dock (65733EU)

Build faster, smarter external storage with the UGREEN 65733EU. This premium dual-bay USB4 NVMe enclosure combines high-speed 40Gbps performance, flexible two-drive expansion, offline cloning, and advanced storage modes in one desktop-ready solution.

Serious External Storage, Built for Speed and Flexibility

UGREEN 65733EU is a premium USB4 2-bay M.2 NVMe SSD enclosure designed for users who need more than a basic SSD case. Built for high-speed workflows, drive duplication, and flexible storage management, it gives you a cleaner and more capable way to expand, clone, and organize NVMe storage from one refined desktop unit.

Its biggest advantage is the combination of speed and versatility. Designed with dual M.2 NVMe SSD slots, it supports high-bandwidth storage workflows through USB4 with transfer speeds positioned up to 40Gbps. That makes it ideal for large file movement, content libraries, backup routines, and demanding professional data use.

UGREEN also positions this model with an offline one-touch clone function, making it easier to duplicate one NVMe drive to another without depending on a computer for the cloning process. In addition, public sources describe the product as supporting RAID-style data management modes, giving users more flexibility for how storage is organized and used.

What makes it feel more premium than a generic enclosure is the complete working experience. The enclosure combines a sturdy aluminum-alloy body with active cooling to help keep performance stable during heavier workloads, while the dual-bay design reduces the need for multiple separate storage accessories on the desk.

Why It Stands Out

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• Dual-bay NVMe design: Supports two M.2 NVMe SSDs in one enclosure
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• USB4 high-speed performance: Built for transfer speeds up to 40Gbps
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• Offline one-touch cloning: Duplicate drives directly from the enclosure
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• Flexible storage management: Public sources describe RAID-style operating modes
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• Cooling-focused design: Aluminum housing with fan-based cooling for more stable operation
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• Cleaner desktop setup: Consolidates multiple storage functions into one device
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• Built for demanding workflows: Great for backups, media libraries, large file handling, and performance storage use

Designed for Power Users and Fast Storage Workflows

The best enclosure does more than hold an SSD. It should make storage expansion faster, cloning easier, and the whole setup more practical. UGREEN 65733EU is built for users who want one device that can act as a high-speed enclosure, a dual-drive workstation accessory, and a more flexible storage management tool.

Ideal For

M.2 NVMe SSD users, creators, large-file workflows, backup and migration tasks, offline cloning, dual-drive storage expansion, and desktop setups that need faster external storage performance.

Technical Specifications

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• Brand: UGREEN
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• Model: CM847
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• SKU: 65733EU
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• Product Type: USB4 2-bay M.2 NVMe SSD enclosure / cloner
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• Drive Support: 2 x M.2 NVMe SSD
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• Interface: USB4 Type-C
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• Transfer Speed: Up to 40Gbps
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• Key Function: Offline one-touch clone
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• Data Management: RAID-style mode support described in public documentation
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• Cooling: Aluminum enclosure with cooling fan
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• Color Mentioned: Space Grey / Silver-grey listings vary by retailer

Frequently Asked Questions