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Main image of PCIe 4.0 x4 to OCuLink SFF-8612 Adapter Card, Internal SFF-8611 Interface Expansion Card for NVMe U.2 SSD, External GPU eGPU Dock

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PCIe 4.0 x4 to OCuLink SFF-8612 Adapter Card, Internal SFF-8611 Interface Expansion Card for NVMe U.2 SSD, External GPU eGPU Dock

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PCIe 4.0 x4 full-speed design, max bandwidth up to 64Gbps, backward compatible with PCIe 3.0/2.0 for wide motherboard compatibility; Equipped with internal SFF-8612 OCuLink female port, matched with SFF-8611 cable to connect eGPU docks and U.2 NVMe SSDs seamlessly; Dual mainstream usage scenarios: build high-speed external graphics eGPU setup or expand enterprise U.2 NVMe solid-state storage; Works on PCIe x4/x8/x16 physical slots; standard full-height metal bracket for desktop, workstation and mini ITX chassis installation; Driver-free plug-and-play, supports Windows, Linux, VMware ESXi and mainstream server operating systems; stable low-latency PCIe signal transmission

Overview

Specs

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PCIe 4.0 x4 full-speed design, max bandwidth up to 64Gbps, backward compatible with PCIe 3.0 / 2.0 for wide motherboard compatibility; Equipped with internal SFF-8612 OCuLink female port, matched with SFF-8611 cable to connect eGPU docks and U. 2 NVMe SSDs seamlessly;
Dual mainstream usage scenarios: build high-speed external graphics eGPU setup or expand enterprise U. 2 NVMe solid-state storage; Works on PCIe x4/x8/x16 physical slots; standard full-height metal bracket for desktop, workstation and mini ITX chassis installation; Driver-free plug-and-play, supports Windows, Linux, VMware ESXi and mainstream server operating systems; stable low-latency PCIe signal transmission

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First Listed on Newegg	July 23, 2026

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Return for refund within: 30 days
Return for replacement within: 90 days
This item is covered by PeakCircuit Technology Return Policy

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Item#: 9SIC7CDM253561