PCI-E 8111F Gigabit Dual- RJ45 Ethernet NICs

Realtek RTL8111F Integrated 10/100/1000 Ethernet Adapter card Single-Chip 10/100/1000M Gigabit Ethernet Controller With Power Managmet and Multi-Function

  • PO.: ST712
  • P/N.: SE-LG8111F-2BT
  • Bus Type: PCI Express X1
  • Media Port: RJ45 Copper
  • Main Chipset: RTL8111F+ASM1182e

Realtek RTL8111F Integrated 10/100/1000 Ethernet Adapter card 

Single-Chip 10/100/1000M Gigabit Ethernet Controller With Power Managmet and Multi-Function


       PCI-E RTL8111F Gigabit Ethernet adapter,It is provide 4-RJ45 port and support 10/100/1000M rate full duplex, half-duplex adaptive. It is support to send Gigabit super-long frame ,highest can provide two-way data transfer rate of 1000M .Using it can be implement gigabit network to the desktop ,Enhance network performance .It is 100 times faster than, and yet 100% fully backward compatible with 10/100BASE-T system, therefore, it can be easily plugged into almost any existing network with CAT-5 cabling.


•  Complies with PCI Express Revision 1.1

•  PCI Express 1-Lane (X1) interface

•  Supports standard and low profile chassis

•  A high performance 1000BASE-T Ethernet controller card

•  Backward compatible to 10/100BASE-T networking

•  Supports jumbo frame to 9K bytes

•  10/100/1000Mbps data rate auto negotiation operation

•  Compatible to existing CAT-5 UTP cabling

•  Fully compliant with IEEE802.3,IEEE802.3u, IEEE802.3ab

•  Supports half / full duplex mode and 802.3x Flow Control

•  Supports IEEE802.1P Layer2 Priority Encoding

•  Supports IEEE 802.1Q VLAN tagging

•  Transmit /Receive on-chip buffer support

•  Crossover Detection and Auto Correction operation

•  Supports power down/link down power saving

•  Wake-on-LAN and remote wake-up function support

•  2 * RJ45 Gigabit LAN ports

General specification
Bus typePCI-Express Revision 1.1, 1-Lane (x1) interface
Connectors2 x RJ45 Copper
Data rate10/100/1000Mbps
Network Standards
Physical Layer Interface
1000BASE-TX Ethernet, Backward compatible to 10/100BASE-T networking
IEEE 802.3, IEEE802.3u, IEEE802.3ab, 802.1P layer2 priority encoding, IEEE802.1Q VLAN tagging
Operating System

Windows 98SE / ME / NT4.0 / Server-2000 / XP / Server-2003 / Server-2008 /

Windows Vista / Windows 7 / Windows 8 / Windows 8.1 / Windows 10 (32-64bit)

DOS, Linux , Unix

Hardware & environment

LED Indicators10/100/1000 Link: Green - ON (The port is connecting with 100/1000 Mbps)
Active LED: Green - BLINK (Sending/Receiving Packets)
CertificationsFCC, CE, RoHS
Operating temperature0 ~ 70 °C
Storage temperature-55 ~ +125 °C
Packing Accessories list

1 x PCI-E RTL111F Gigabit Ethernet Network card
1 x User's Manual
1 x Low profile bracket


Only the above package contents, other products are not included. 

The allowable error of size measurement is +/- 1~3mm, and the weight of the product is subject to the actual product. 

DimensionsL82 x W67mm (measured without PCIe bracket)
Package SizeL175 x W125 x H30mm (Built-in blister)
Product weight 45g
Package weight




PO#P/NSpecificationsOrdering Note
ST712SE-LG8111A-2BTPCI-E Gigabit Dual- RJ45 Ethernet Network card   
Based on RTL8111F Ethernet Controller


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