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Overview

PCIe4.0 x4 M.2 M-key to OCuLink SFF-8611/8612 extension cable, low-latency signal, perfect for thin notebook & mini PC to connect external eGPU dock.

M.2 NVMe M-Key to OCuLink SFF-8611 / SFF-8612 Riser Cable, PCIe 4.0 x4 High Speed eGPU Extension Adapter Card for Laptop Mini PC External Graphics Dock

Model: M2-MKEY-OCULINK-SFF8
Web Code: 20014052
Sold and shipped by | 1.0 seller rating (2 reviews)

Available for deliveryAvailable online only

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Overview

This professional M.2 NVMe M-Key to OCuLink SFF-8611/SFF-8612 extension riser cable is specially designed for mini PC, thin laptops equipped with spare M.2 NVMe slot to build external graphics setup. Adopts pure copper shielded high-speed wiring, full PCIe 4.0 x4 64Gbps native bandwidth with ultra-low signal loss, much lower latency than Thunderbolt transmission scheme. Compatible with all OCuLink eGPU docks (EG01/EG02/AG03), support full-size desktop discrete graphics for gaming, 3D modeling and AI rendering. Flexible flat ribbon wire design, easy routing inside chassis without bending damage, equipped metal fixed mounting holes for stable installation.

Key Features

M.2 M-Key Exclusive Interface

Only fit M-Key M.2 NVMe slots, compatible with 2230/2242/2260/2280 length M.2 slots on mini PC/laptop motherboards. Does not support B-key / B+M-key SATA SSD slots, dedicated PCIe4.0 x4 data channel without occupying SATA bandwidth.

Dual OCuLink Port Compatibility

Dual-purpose port support SFF-8611 4i and SFF-8612 8i OCuLink interfaces, universal match mainstream OCuLink external graphics expansion docks. Native PCIe direct transmission without chip conversion, greatly reduce frame loss and performance attenuation.

PCIe 4.0 x4 Full Bandwidth & Anti-Interference

Max 64Gbps bidirectional transmission bandwidth, full shielding flat ribbon cable, built-in multi-layer copper foil to block electromagnetic interference from CPU and power supply. Stable continuous high-load operation for RTX 30/40/50 and AMD RX series flagship graphics, smooth ray tracing and 8K rendering.

Flexible Flat Cable & Fixed Mount Design

Soft flat ribbon wire avoids hard bending fracture, multiple length options for different chassis layout. Pre-drilled metal fixed holes with matching screws, lock the adapter on motherboard to prevent loose contact during movement or vibration.

Wide System & Device Compatibility

Fit mini PC, industrial thin client, gaming laptops with spare M.2 M-key slot; fully compatible with all OCuLink eGPU docking stations. Support Windows 10/11, Linux systems, plug-and-play after installing graphics card official driver. Does not support hot swap, need shutdown to plug/unplug cable.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

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Processing Time

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Product Category
Computer accessories
Return/Exchange Period
30 days
Condition
Opened

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