UGREEN M.2 NVME to PCI-E3.0 Express Card with M.2 SATA – CM302/UG-70503
- Brand: UGREEN
- Model Number: CM302 / UG-70503
- Type: M.2 NVMe to PCIe 3.0 Adapter Card with SATA Compatibility
Supported M.2 SSD Types
- NVMe (Non-Volatile Memory Express):
- Protocol: NVMe
- Interface: PCIe 3.0 x4
- Maximum Speed: Up to 32 Gbps
- Compatibility: M-Key NVMe SSDs
- SATA (Serial ATA):
- Protocol: AHCI (Advanced Host Controller Interface)
- Interface: SATA 3.0 (requires a SATA data cable connection to the motherboard)
- Maximum Speed: Up to 6 Gbps
- Compatibility: B-Key or B+M-Key SATA SSDs
- Supported M.2 SSD Sizes:
- 2230 (30 mm length)
- 2242 (42 mm length)
- 2260 (60 mm length)
- 2280 (80 mm length)
Interface and Connectivity
- PCIe Slot Compatibility:
- PCIe x4 (preferred for full speed)
- PCIe x8 and x16 slots (backward-compatible)
- SATA Connector:
- Requires motherboard SATA port connection for M.2 SATA SSDs.
- Power Source:
- NVMe SSDs: Powered directly via PCIe bus.
- SATA SSDs: Powered through the SATA power connector.
Performance
- NVMe SSD Performance:
- Max Data Transfer Rate: 32 Gbps (theoretical).
- SATA SSD Performance:
- Max Data Transfer Rate: 6 Gbps (theoretical).
- Operating Temperature: 0°C ~ 70°C
- Storage Temperature: -20°C ~ 85°C
Materials & Design
- Build Material: Aluminum alloy for heat dissipation and durability.
- Form Factor: Compact, fits into desktop chassis without obstructing other components.
- Cooling Support:
- Passive heat dissipation via aluminum construction.
- Includes thermal pads for additional heat management.
System Compatibility
- Operating Systems:
- Windows 7, 8, 10, 11
- Linux (various distributions)
- macOS (requires PCIe compatibility)
- Plug-and-Play Support: No drivers required for most operating systems.
Package Contents
- 1 x UGREEN M.2 NVMe to PCIe Adapter Card
- 1 x Thermal Pad
- 1 x Screwdriver and screws for installation
- 1 x User Manual
Additional Notes
- Ensure your motherboard supports NVMe drives via PCIe for optimal performance.
- For SATA M.2 SSDs, ensure you connect the SATA data cable to the motherboard’s SATA port.
- PCIe 3.0 x4 speed is backward-compatible with PCIe 2.0 but will operate at reduced speed.
Use Case Scenarios
- Upgrade desktop PC with high-speed NVMe SSD storage.
- Utilize M.2 SATA SSDs as additional storage.
- Enhance system performance with lower boot times and faster data transfer rates.


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