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Main image of IO CREST USB4 Type-C to Dual 10GbE SFP+ Network Adapter, Dual 10G Fiber Ethernet Adapter, Compatible with Thunderbolt 3/4/5, RTL8127ATF, 16KB Jumbo Frames, Windows & Linux

Alt view image 2 of 7 - IO CREST USB4 Type-C to Dual 10GbE SFP+ Network Adapter, Dual 10G Fiber Ethernet Adapter, Compatible with Thunderbolt 3/4/5, RTL8127ATF, 16KB Jumbo Frames, Windows & Linux

Alt view image 3 of 7 - IO CREST USB4 Type-C to Dual 10GbE SFP+ Network Adapter, Dual 10G Fiber Ethernet Adapter, Compatible with Thunderbolt 3/4/5, RTL8127ATF, 16KB Jumbo Frames, Windows & Linux

Alt view image 4 of 7 - IO CREST USB4 Type-C to Dual 10GbE SFP+ Network Adapter, Dual 10G Fiber Ethernet Adapter, Compatible with Thunderbolt 3/4/5, RTL8127ATF, 16KB Jumbo Frames, Windows & Linux

Alt view image 5 of 7 - IO CREST USB4 Type-C to Dual 10GbE SFP+ Network Adapter, Dual 10G Fiber Ethernet Adapter, Compatible with Thunderbolt 3/4/5, RTL8127ATF, 16KB Jumbo Frames, Windows & Linux

Alt view image 6 of 7 - IO CREST USB4 Type-C to Dual 10GbE SFP+ Network Adapter, Dual 10G Fiber Ethernet Adapter, Compatible with Thunderbolt 3/4/5, RTL8127ATF, 16KB Jumbo Frames, Windows & Linux

Alt view image 7 of 7 - IO CREST USB4 Type-C to Dual 10GbE SFP+ Network Adapter, Dual 10G Fiber Ethernet Adapter, Compatible with Thunderbolt 3/4/5, RTL8127ATF, 16KB Jumbo Frames, Windows & Linux

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IO CREST USB4 Type-C to Dual 10GbE SFP+ Network Adapter, Dual 10G Fiber Ethernet Adapter, Compatible with Thunderbolt 3/4/5, RTL8127ATF, 16KB Jumbo Frames, Windows & Linux

Item #: 9SIVTF4M9A5625
Mfr. Part #: ENGXB0HFBK96Q2
UNSPSC: 43222612

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DUAL 10GbE SFP+ HIGH-SPEED NETWORKING: Expand one USB4 Type-C connection into two independent 10GbE SFP+ network ports. Ideal for high-speed file transfers, NAS connectivity, servers, workstations, professional media workflows and other bandwidth-intensive networking applications. Supports 10GBASE-R and 1000BASE-X.
USB4 & THUNDERBOLT COMPATIBILITY: Connect through a USB4 Type-C host port and enjoy broad compatibility with compatible Thunderbolt 3, Thunderbolt 4 and Thunderbolt 5 systems. Add high-speed dual-port fiber networking without installing an internal PCIe network card or opening your computer chassis.
REALTEK RTL8127ATF CHIPSET: Built with the Realtek RTL8127ATF controller for reliable high-speed network connectivity. Supports jumbo frames up to 16 KB and Wake-on-LAN functionality for demanding professional and data-intensive network environments.
DUAL SFP+ PORTS FOR FLEXIBLE NETWORKING: Two 10GbE SFP+ ports provide flexible connectivity for compatible SFP+ fiber transce

Overview

Specs

Reviews

This network adapter offers a compact USB4 to dual-port SFP+ network card designed for professionals who demand high-speed, reliable connectivity without opening their chassis. It also features 1x upstream and 1x downstream USB4 port. Aluminum alloy casing, fanless, and powered by AC Adapter. It offers ultra low power consumption and supports Microsoft Windows 10/11 and Linux kernel 5.x+. It is compatible with Thunderbolt 3/4/5. Ideal for server and professional workstations that require reliable, accelerated access to external storage and networks for I/O demanding applications.

Additional Information
First Listed on Newegg	October 23, 2026

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Return for refund within: 30 days
Return for replacement within: 60 days
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Item#: 9SIVTF4M9A5625