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CM302-70504 specification sheet

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UGREEN M.2 M-Key+M.2 B-Key to PCI-E 3.0 × 4 Expansion Card

CM302-70504 UGREEN M.2 M-Key+M.2 B-Key to PCI-E 3.0 × 4 Expansion Card

Short Description

UGREEN M.2 M-Key+M.2 B-Key to PCI-E 3.0 × 4 Expansion Card

© Respective owners and brand holders. © 2026 Laptop Direct CC. The contents has been generated by Laptop Direct CC (https://www.laptopdirect.co.za). All products are sourced locally in South Africa and the warranty is that of the local supplier only. E&OE.

Long Description

The specifications displayed below are for the entire series of products and may not apply to this product or model, please refer to the above description for the correct details of this model.

Overview:

Upgrade your system’s storage capabilities with the UGREEN CM302 M.2 M/B-Key to PCI-E 3.0 Expansion Card. This high-performance adapter enables seamless integration of both NVMe and SATA M.2 SSDs, offering a flexible solution for maximising storage speeds and efficiency. Designed for PCIe 3.0 x4 connectivity, it delivers ultra-fast data transfer speeds of up to 32Gbps for NVMe SSDs and 6Gbps for SATA SSDs, ensuring rapid system boot times and improved application performance.

Supporting M.2 SSD form factors 2230, 2242, 2260, and 2280, this expansion card accommodates a wide range of storage drives, making it an ideal solution for PC enthusiasts, gamers, and professionals looking to enhance system responsiveness. The dual-interface design (M-Key for NVMe and B-Key for SATA) ensures maximum compatibility, allowing users to install either NVMe or SATA SSDs based on their needs.

Built with high-quality PCB materials, the UGREEN CM302 M.2 M/B-Key to PCI-E 3.0 Expansion Card ensures stable performance and efficient heat dissipation. It is compatible with Windows and Linux operating systems, making it a versatile choice for desktop upgrades. Additionally, the included 0.5m SATA cable provides added flexibility for connecting SATA SSDs.

Whether you’re expanding your gaming storage, accelerating professional workloads, or upgrading an older system, the UGREEN CM302 M.2 M/B-Key to PCI-E 3.0 Expansion Card delivers the speed, reliability, and compatibility needed for a next-level computing experience.

Features:

  • Dual SSD compatibility: Supports both NVMe (M-Key) and SATA (B-Key) M.2 SSDs
  • PCIe 3.0 x4 high-speed interface: Enables data transfer speeds up to 32Gbps (NVMe) and 6Gbps (SATA)
  • Broad SSD support: Compatible with M.2 SSD form factors 2230, 2242, 2260, and 2280, ensuring wide-ranging upgrade options.
  • Seamless system integration: Works with Windows and Linux operating systems
  • Premium Build Quality: Constructed with high-quality PCB materials
  • Enhanced cooling efficiency: Open-frame design allows for effective heat dissipation
  • Extended Compatibility: Works with PCIe 3.0 motherboards and is backward compatible with PCIe 2.0 and 1.0 slots
  • SATA Cable Included: Comes with a 0.5m SATA cable for easy SATA SSD integration


Specifications:

© 2025 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specificationsspacer
Product CodeCM302-70504spacer
Input M.2 M-Key (NVMe SSD), M.2 B-Key (SATA SSD)
Output PCIe 3.0 x4, 7-Pin SATA Connector
Supported SSDs M.2 NVMe & SATA SSDs (2230/2242/2260/2280)
Data Transfer Speeds PCIe NVMe: Up to 32Gbps
SATA: Up to 6Gbps
Compatibility Windows, Linux
PCB Dimensions L11.68 x W7.4 cm
Baffle Panel Length 119mm
SATA Cable Length 50cm
Power Requirements Draws power directly from PCIe slot (no external power needed)
Build Material High-quality PCB and metal components for durability



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