Ugreen CM302 Dual Protocol M.2 NVMe and SATA SSD to PCIe 3.0 x4 32Gbps High Speed Data Transfer With Aluminum Heatsink Supports 2230 2242 2260 2280 Sizes PCIe Expansion Card

Ugreen CM302 Dual Protocol M.2 NVMe and SATA SSD to PCIe 3.0 x4 32Gbps High Speed Data Transfer With Aluminum Heatsink Supports 2230 2242 2260 2280 Sizes PCIe Expansion Card

550 EGP

Model Name: UG-70504 (CM302)
Part Number: 70504
Host Interface: PCIe 3.0 x4 (Up to 32Gbps)
SSD Compatibility: Dual Protocol (1x NVMe M-Key & 1x SATA B-Key)
Supported Sizes: 2280 / 2260 / 2242 / 2230
Thermal Management: Included Aluminum Heatsink & Thermal Pads
Warranty: 1 Year

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SKU: 6957303875047 Categories: PC Cables, Adapters & Connectors, STORAGE, SSD Tags: HEATSINK, 3.0, Expansion, 32Gbps, PCIe Expansion, SSD, AND, Pcie, Transfer, Supports, SSD Card, M.2, With, Speed, 2230, 2242, NVMe, High, 2280, 70504, 2260, INTERNAL, Data, m.2-heatsink, 6957303875047, Sizes, DUAL, Ugreen, CM302, Ugreen CM302 series, Card, Aluminum, to, Protocol, NVMe Adapter, SATA, Upgrade, PCIe 3.0, x4, SATA M 2 Brand: UGREEN

Ugreen M.2 NVMe Adapter: High-Speed Dual-Protocol Expansion

In short, the Ugreen M.2 NVMe Adapter (CM302) technically facilitates an elite storage environment by converting a standard PCIe 3.0 x4 slot into a high-performance M.2 drive bay. Since this adapter utilizes a dual-protocol bridge architecture, it effectively supports both NVMe (M-Key) and SATA (B-Key) SSDs simultaneously. Notably, the integrated 4-layer PCBA specifically protects your data from electrical interference by providing a dedicated ground plane for signal integrity.

Furthermore, the architectural layout is specifically positioned for maximum thermal efficiency, featuring a CNC-cut aluminum heatsink that ensures your SSD remains cool during high-load iterations. Because the board supports multiple form factors from 2230 to 2280, it technically ensures compatibility with almost any modern drive. Consequently, the CM302 delivers a disciplined performance presence that blends industrial-grade protection with exquisite transfer control. As a result, you receive a highly efficient and visually perfect storage foundation for your next-generation workstation.

32Gbps

NVMe Speed

Dual

Protocol Ready

PCIe 3.0

Host Interface

M-Key

M.2 Standard

Advanced Storage & Reliability Engineering

Signal Isolation Technology

Notably, the 4-layer PCBA design specifically maximizes signal integrity by isolating high-speed data paths from external noise. This technically allows the system to reduce error rates effectively ensuring that hardware lifespan is prolonged during sustained high-bandwidth excursions.

Thermal Dissipation Shield

Moreover, the architecture specifically features a passive aluminum shield that effectively draws heat away from the SSD controller. Consequently, your system operates without thermal throttling, resulting in lower latencies and a more efficient thermal gradient.

Additionally, the inclusion of gold-plated connectors effectively provides high-speed conductivity without corrosion risk. Unlike conventional adapters, the Ugreen CM302 incorporates a dual-slot design to ensure your technical presence remains flexible. As a result, you receive a technically superior unit that balances high-performance storage with a sophisticated industrial aesthetic.

💡 Pro-Builder Tip: SATA Data Connectivity

To clarify, the B-Key slot technically requires a separate SATA data cable connected to your motherboard to function. Specifically, ensure you utilize a high-quality cable to effectively maintain clean electrical telemetry. Furthermore, the low-profile bracket technically facilitates installation in small form factor servers, allowing for extreme space efficiency.

Technical Specifications

Hardware Feature	Detailed Specification
Model Name	Ugreen CM302 Dual Protocol Adapter
Part Number	70504
EAN	6957303875047
Host Interface	PCI Express 3.0 x4 (Compatible with x8/x16)
NVMe Slot	M-Key (Supports NVMe Gen3/Gen4/Gen5 at Gen3 Speeds)
SATA Slot	B-Key (Requires SATA Cable to Motherboard)
Max Transfer Rate	32Gbps (NVMe) / 6Gbps (SATA)
Supported Sizes	2230, 2242, 2260, 2280
Protections	Over-Current, Over-Voltage, EMI Shielding
Material	Aluminum Alloy + 4-Layer PCBA
Warranty	1 Year Local Warranty

What’s In The Box

Ugreen CM302 Adapter Card

Aluminum Heatsink + Thermal Pad

Full & Low Profile Brackets

Screw Set & User Documentation

*Ugreen and the Ugreen logo are registered trademarks of Ugreen Group Limited. PCIe is a trademark of PCI-SIG. Technical specifications are based on official documentation provided at the time of publication.

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Warranty & Purchase Terms

Warranty period: the manufacturer's warranty period, from one month up to 3 years.
Immediate replacement: if a manufacturing defect appears at any time during the warranty, the product is replaced with a new one, no repair (except products that need software work). If no replacement is available, you get a full refund with no deductions.
Returns: within 30 days of purchase, if the product is in the same condition with all its contents.
Receiving your order: check the shipment on delivery; if anything is damaged or missing, contact us within 24 hours and keep the box and photos.
Not covered: misuse (burning, breaking, scratching, removing the warranty sticker), operating systems, software and generic accessories.
Important: keep the Alfrensia warranty sticker on the product and all box contents to benefit from the agent's warranty.
Payment & delivery: cash on delivery. Cairo, Giza & Alexandria within 1–3 business days, other governorates within 3–6 business days after order confirmation.

Full warranty terms · Return policy · Shipping policy