USB 4 Thunderbolt 3/4/5 10G to 2-Port SFP+ Fiber Network Adapter Cable with Realtek RTL8157 Chipset

External network adapter with a Realtek RTL8127ATF network controller that allows you to add two independent 10GbE network interfaces via a USB4 or Thunderbolt connection, without installing an internal PCI Express card.

Compatibility:
40 Gbit/s USB4 host interface, compatible with Thunderbolt 3, 4, and 5.
Compatible with Windows 10/11 and Linux with appropriate drivers.
Compatible with 10GBASE-R and 1000BASE-X Ethernet networks.
Compatible with 10G SFP+ modules (850 nm SR and 1310 nm LR).
Supports IEEE 802.3x Flow Control.
Standard USB-C port without USB4 or Thunderbolt support is not compatible.

Technical Specifications:
USB4 to dual SFP+ external network adapter.
Realtek RTL8127ATF network chipset.
USB4 40 Gbit/s connection interface.
2 SFP+ network ports.
Maximum data rate of 10 Gbit/s per port.
Theoretical aggregate network throughput up to 20 Gbit/s.
Supports 850 nm SFP+ SR optical modules up to 300 meters.
Supports 1310 nm SFP+ LR optical modules up to 10 kilometers.
Supports Jumbo Frames up to 16 KB.
Supports hardware-based checksum calculation and packet segmentation.
Two USB4 interfaces for host connection and USB4/Thunderbolt device extension.
External 12V power supply.
Rated power consumption of up to 7.4 W for the entire adapter.
Aluminum housing.
Dimensions: 152 × 95 × 29 mm.
Net weight: 355 g.
Comes with a USB4 cable and a 12V/3A AC adapter.

Note: This chipset is not yet officially supported by macOS, but a third-party driver is available. Since this driver is open source and in beta, we cannot guarantee its functionality; therefore, we only mention compatibility with Windows systems.