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    Cable Matters USB C to 10Gb Ethernet Adapter with 140W PD Charging | Real-World Speed: ~7Gbps on Windows / ~5Gbps on macOS, Low-Heat and Silent, Compatible with USB4 and Thunderbolt 5/4/3

    • 10GbE Performance & USB-C Requirements: Upgrade to fast wired networking with this USB C to 10Gb Ethernet adapter, which supports 10G/5G/2.5G/1G/100M auto-negotiation. Ideal for NAS transfers, large backups, content workflows, home labs, workstations, and low-latency gaming. Note: 10GbE is the theoretical link rate; real-world Windows throughput is typically ~7Gbps. For best results, use a USB 3.2 Gen 2x2 20Gbps, USB4, or Thunderbolt 3/4/5 port.
    • Up to 140W PD Laptop Charging: Connect a compatible USB-C PD charger to the dedicated USB-C power port to charge the host laptop while using 10Gb Ethernet. Up to 140W input requires a compatible USB PD 3.1 EPR charger and 5A EPR cable. The charging port is for power input only and does not support data transfer or video output. Actual power delivered to the laptop is lower due to adapter power consumption.
    • Real-World macOS Speed: Compatible with Thunderbolt 3/4/5 and USB4 ports. On Mac computers, macOS may display a 5Gb link rate, while typical measured throughput can reach approximately 5Gbps depending on the Mac model, network equipment, cabling, and test method. We continuously validate macOS performance and publish the latest notes and updates on our support page.
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    Add multi-gigabit wired networking and laptop charging through one USB-C connection with the Cable Matters USB C to 10Gb Ethernet Adapter. The RJ45 port supports 10G/5G/2.5G/1G/100M auto-negotiation for NAS access, large backups, content production, gaming, and high-bandwidth workstations. A dedicated USB-C power port accepts up to 140W PD input to charge the connected laptop while the adapter is in use. The Realtek RTL8159 controller, aluminum housing, thermal silicone, and integrated heat sink help support efficient, quiet operation. Typical throughput reaches approximately 7Gbps on Windows and 5Gbps on macOS, depending on the overall setup.

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