Lekuo USB-C 10GbE Ethernet Adapter | Realtek RTL8159 | Up to 9.45Gbps

Brand

LeKuo

Model Number

DR59R11

Chipset

Realtek RTL8159

Host Interface

USB Type-C (USB 3.2 Gen2)

Recommended Host Port

USB 3.2 Gen2x2 (20 Gbps) for full 10G

Network Port

1 × RJ45 10GBASE-T

Auto-Sensing Speeds

10G / 5G / 2.5G / 1G / 100M / 10M

Cable Requirement (for 10G)

Cat6a or higher

Real-World Throughput*

Up to ~9.45 Gbps with USB 3.2 Gen2x2 (20 Gbps) host，Up to ~7.2 Gbps with USB 3.2 Gen2 (10 Gbps) host，Up to ~3.54 Gbps with USB 3.1 Gen1 (5 Gbps) host

Compatibility

Windows 10/11, Linux, macOS (driver required)，Works with NAS, servers, workstations, and laptops

Dimensions

84.4 × 48 × 29 mm

Weight

Net Weight: 89g Gross Weight: 195g

System Support

Windows, Linux, Mac OS, and other operating systems

True 10G Ethernet Over USB-C — No PCIe Slot Required

The Lekuo DR59R11 turns any USB-C device into a 10G workstation. Powered by Realtek RTL8159, it delivers real-world 10G performance for laptops, NAS, and portable workstations without opening the chassis.

Real-World Speed — Honest Numbers

Host USB Interface	Real Throughput
USB 3.2 Gen2x2 (20 Gbps)	~9.45 Gbps
USB 3.2 Gen2 (10 Gbps)	~7.2 Gbps
USB 3.1 Gen1 (5 Gbps)	~3.54 Gbps

Full 10G requires a USB 3.2 Gen2x2 (20 Gbps) host port. Thunderbolt ports typically operate in USB mode at 10 Gbps.

Key Features

Hardware IPv4/IPv6/TCP/UDP checksum & segmentation offload — reduces CPU load 40–60%
Jumbo Frames up to 16 KB — optimized for NAS and large file transfers
Wake-on-LAN & RealWoW™ remote wakeup
ARP & NS protocol offloading
Auto-sensing: 10G / 5G / 2.5G / 1G / 100M / 10M
IEEE 802.3an / 802.3bz / 802.3ab compliant

Works With

OS: Windows 10/11 · Linux kernel 5.8+ · macOS (driver required)
Platforms: TrueNAS · UnRAID · Proxmox · VMware ESXi (USB passthrough)
Use Cases: NAS fiber-free uplink · 4K/8K video editing · laptop 10G upgrade · small office network
Cable: Cat6a or higher required for 10G link

Package Contents

1 × DR59R11 10GbE USB Ethernet Adapter
1 × USB Type-C Data Cable
1 × User Manual

Related Downloads

Driver Download