PCIe x1 to 2-Port Gigabit Lan Card (Intel 82571 Chipset)


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Product Overview

Product Overview:

The PCIe x1 to 2-Port Gigabit LAN Card, powered by the Intel 82571 chipset, is designed to offer dependable Ethernet connectivity for compatible systems. Utilizing a PCIe x1 interface, it can be seamlessly installed into any available PCIe x1 slot on a motherboard, providing high-speed connectivity. With dual Gigabit Ethernet ports, each capable of delivering data transfer rates of up to 1 gigabit per second (Gbps), the card ensures reliable network performance suitable for a variety of applications, including home and office networking, small business setups, and server connectivity. The Intel 82571 chipset integrates advanced networking features such as virtualization, TCP/IP offloading and VLAN support, enhancing network efficiency and scalability. Compatible with multiple operating systems, including Windows, Linux, and FreeBSD, the LAN card offers easy installation and minimal configuration requirements, making it an ideal choice for enhancing network capabilities in diverse computing environments.

Product Highlights:

  • PCI-Express host interface specification v2.0 with 2.5GT/s BUS width
  • Complies with PCI Bus Power Management Interface Specification Rev1.1
  • Chipset: Intel 82571
  • PCI-Express lanes: x1
  • Complies with Dual port 1GbE RJ45 port.
  • Complies with the IEEE802.3ab, IEEE802.3u and IEEE802.3 specifications.
  • Half duplex at 10/100Mbp operation and full duplex operation at all supported speeds
  • Layer 2 functions: IEEE 802.3x Flow Control – IEEE 802.1q VLAN
  • Supports Receive-side scaling (RSS)
  • Supports IPv 4, IPv 6 protocols.
  • Supports Jumbo Frames up to 9.5K
  • Supports UDP, TCP and IP Checksum offloading.
  • Statistics for management and RMON
  • Support for virtual machines device queues.
  • Next Generation VMDq Support (8VMs)
  • Interrupt throttling control to limit maximum interrupt rate and improve CPU usage.


SKU CodeER3027
Product modelPCIe x1 to 2-Port Gigabit Lan Card (Intel 82571 Chipset)
ChipsetIntel 82571
Form FactorPlug-in Card with Small Form Factor Support
Small/Low Profile BracketProvided
PCIe Specification RevisionPCI-Express host interface specification v2.0 with 2.5GT/s BUS width
Input Bus InterfacePCI Express x1 - Compatible with x1/x4/x8/x16 slots
Output Interface2 x RJ45
Data Transfer RateDual-port Gigabit (1000Mbps)
Jumbo Frame SupportUp to 9.5 K
System supportedFreeBSD, Linux, VMWare ESXi, Win7/ Win8/ Win8.1/ Win10/ Win11, Win-server2008/ Win-server2012/ Win-server2016
Dimensions 82 x 69 x 18 mm
Weight110 gms
Warranty*1 year


Product Datasheet



Duration (Warranty Period)12 Months (from Invoice date)DOA (Dead on Arrival) Period7 Days (from Invoice date)TypeReturn to Base (Eira Tek)RTB (Return to Base) Period12 Months (from Invoice date)

* For further information regarding Eira Tek’s warranty procedure, please see our Warranty Policy.

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