UGREEN M.2 NVME to PCI-E3.0X4 Express Card 32Gbps High-Speed Expansion Adapter Board

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The UGREEN M.2 NVME to PCI-E3.0X4 Express Card 32Gbps is a high-speed PCIe expansion adapter engineered to add M.2 NVMe SSD storage to desktop motherboards lacking integrated M.2 slots or requiring extra high-speed storage channels. Distributed by Keyphantom, this adapter card utilizes a PCIe 3.0 x4 lane interface to deliver blistering data transfer rates up to 32Gbps (approx. 3.2 GB/s). Supporting M-Key NVMe M.2 SSDs across standard 2230, 2242, 2260, and 2280 form factors, it features a thick immersion-gold PCB for optimal signal integrity, an integrated LED status indicator, and broad compatibility with PCIe x4, x8, and x16 motherboard expansion slots.

Ultra-Fast 32Gbps Data Speeds: PCI Express 3.0 x4 bus interface delivers up to 32Gbps throughput for high-speed NVMe performance.
Broad M.2 Form Factor Support: Fits M-Key and B&M-Key (NVMe) SSDs in 2230, 2242, 2260, and 2280 size variations.
Multi-Slot PCIe Compatibility: Plugs directly into standard desktop PCIe x4, x8, and x16 expansion slots.
Enhanced Heat Dissipation & Signal Quality: Gold-plated PCB contact points optimize heat conductivity and electrical stability during heavy transfers.
Driver-Free Plug & Play Setup: Native support across Windows, macOS, and Linux without requiring additional driver installation.

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UGREEN M.2 NVMe to PCIe 3.0 x4 Card: 32Gbps Ultra-Fast Storage Expansion

The UGREEN M.2 NVME to PCI-E3.0X4 Express Card 32Gbps provides an instant desktop storage upgrade for hardware enthusiasts, gamers, and content creators. Distributed by Keyphantom, this adapter card converts an open motherboard PCIe expansion slot into a high-bandwidth M.2 NVMe drive slot.

32Gbps Bandwidth & Multi-Size M.2 Support

Leveraging PCIe 3.0 x4 bandwidth, this expansion card lets high-performance NVMe SSDs run at read/write speeds up to 32Gbps. Its multi-hole mounting plate accommodates all standard M.2 NVMe drives—including sizes 2230, 2242, 2260, and 2280—making it ideal for upgrading legacy system storage or creating high-speed scratch drives.

Gold-Plated PCB Stability & Universal PCIe Fit

Engineered with heavy immersion gold layers along the circuit board, the adapter reduces electrical interference and assists passive thermal transfer away from the SSD controller. Designed to fit into PCIe x4, x8, and x16 motherboard slots, it includes standard full-profile and low-profile mounting brackets for universal PC case compatibility.

Technical Summary Table

Feature	Specification
Model Name	UGREEN M.2 NVME to PCI-E3.0X4 Express Card 32Gbps
Model / SKU Number	70503 / CM302 Series
Brand	Keyphantom (UGREEN)
Host Interface	PCI Express 3.0 x4 (Compatible with PCIe 4.0 / 2.0 and x4, x8, x16 Slots)
SSD Interface Support	M.2 NVMe / PCIe SSDs (M-Key & B+M Key NVMe Protocol)
Supported M.2 Form Factors	Type 2230 / 2242 / 2260 / 2280 M.2 SSDs
Maximum Data Rate	Up to 32 Gbps (PCIe 3.0 x4 Bandwidth)
Protocol Support	NVMe / AHCI (Note: Does NOT support M.2 SATA B-Key SSDs)
PCB Construction	Immersion Gold Circuit Board + LED Power/Activity Status Light
OS Compatibility	Windows 11 / 10 / 8 / 7, macOS, Linux
Hardware Compatibility	Custom PC Builds, Workstations, Servers with available PCIe x4/x8/x16 Slots