Lekuo USB4 to 10G SFP+ Network Adapter | Realtek RTL8127 | Ultra-Low 2.5W, Fanless

• 2.5W at 10G — ultra-low power, fully fanless, silent 24/7 operation

• Realtek RTL8127ATF | USB4 40Gbps host | SFP+ fiber and DAC support

• Works with Windows 10/11, Linux, TrueNAS, Proxmox, and VMware ESXi

Model：

DTB3F11

Input Interface：

USB4 40 Gbps (compatible with Thunderbolt 3/4/5)

Output Interface：

1 × SFP+ 10GbE Fiber Port

Transmission Rate:

10Gbps

Product Size:

99.5×48×29mm

Chip :

RTL8127ATF

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Product Specifications

Product Description

Driver Download

Document Download

Q&A

Model

DTB3F11

Chipset

Realtek RTL8127ATF

Interface

USB4 40Gbps (Thunderbolt 3/4/5 Compatible)

Network Port

1 × SFP+ 10G Fiber Port

Data Rates

10GBASE-R / 1000BASE-X

Power Consumption

2.5W @ 10GBASE-R (Ultra-Low Power)

Advanced Features

Wake-on-LAN, up to 16KB Jumbo Frames

Real-World Speed

≈1.15GB/s (Intranet Environment)

Operating Temp

0°C to +70°C

Material

Aluminum Alloy

Dimensions

99.5 × 48 × 29mm

Weight

Net: 115g / Gross: 216g

System Support

Windows 10 / 11, Linux Kernel 2.4.x and above

Related Downloads

Driver Download

1. Datasheet_DTB3F11

2. Datasheet_DTB3F11

Download

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