Realtek Rtl8168b 8111b Family Pci-e Gigabit Ethernet Nic -ndis 6.20- Here

If you manually install a driver labeled with a lower NDIS version (e.g., 6.0), you may lose RSS, resulting in worse multi-core performance and occasional packet loss under high throughput.

If your motherboard is from 2015 or later, install the Win11 Auto Installation Program (NDIS 6.50+) even on Windows 10 – backward compatibility is excellent. If you manually install a driver labeled with

Last updated: 2026-05-13

: Supports standard 10/100/1000 Mbps Gigabit Ethernet. Interface : Connects via a PCI Express (PCI-e) x1 slot. you may lose RSS

The RTL8168B/8111B is generally reliable, but a few pain points appear across user forums. If you manually install a driver labeled with

While the chip is referred to as "Gigabit", can it truly saturate a 1 Gbps link? Tests with iperf3 on a clean Windows 11 system yield: