10Gtek’s 2.5G NICs also use Realtek RTL8125 chips. These NICs come in1~4 ports , supporting RJ45 slot. These cards are supporting Windows, Linux, Red Hat, SUSE, Ubuntu, VMware ESXi and other operating systems. 

 

 

Realtek RTL8125 Controllers

 

2.5G NIC

P/N Data Rate Controller(s) Port Configure
RTL8125-2.5G-1T-X1 2.5Gb/s  Realtek RTL8125  1 x RJ-45
RTL8125-2.5G-2T-X1 2.5Gb/s  Realtek RTL8125BG 2 x RJ-45
RTL8125-2.5G-4T-X4 2.5Gb/s  Realtek RTL8125BG 4 x RJ-45