MiniPCI-E 82574L GbE Single- RJ45 Server NICs

Intel® 82574L Gigabit Ethernet Controllers Low-Power, Small-Footprint, Single-Port Gigabit Network Connectivity with Advanced Performance Features

  • PO.: ST7226
  • P/N.: SM-LGI574A-BT
  • Bus Type: MiniPCI-Express
  • Media Port: RJ45 Copper
  • Main Chipset: Intel® 82574L

Intel® 82574L Gigabit Ethernet Controllers

Low-Power, Small-Footprint, Single-Port Gigabit Network Connectivity with Advanced Performance Features


This MiniPCI-E Gigabit Network card is single, compact, low power components that offer a fully-integrated Gigabit Ethernet Media Access Control and physical layer port. It is used of Intel high-performance chip NH82574L,and it is uses the PCI Express architecture and provides a single-Port implementation in a relatively small area so it can be used for server and any other personal computers.


     - Compatible with PCI-E MINI card electromechanical specification revision1.2

     - Compatible with Half /Full size Mini card type form factor

     - Fully compliant with PCI-Express Base Specification Revision1.1

     - Single-Lane(x1)PCI-Express with throughput up to 2.5Gbps

     - Fully Plug and Play compatible

     - Full-duplex operation at 10/100/1000Mb/s

     - Half-duplex operation at 10/100Mb/s

     - 10/100/1000 data rate auto negotiation operation

     - Fully compliant with IEEE802.3,802.3u,802.3ab

     - Support full duplex flow control(IEEE802.3x)

     - Supports IEEE802.1P Layer 2 Priority Encoding

     - Supports IEEE802.1Q VLAN tagging

     - IPv4 and IPv6 checksum offload support

     - Receive Side Scaling(RSS) with two hardware receive queues

     - Supports jumbo frame to 9k bytes

     - Crossover detection and Auto correction operation

General specification
Controller-processorIntel® Ethernet Controller 82574L
Bus typeminiPCI Express* 1.2 (2.5GT/s)
Connectors1 x RJ-45 (Copper)
Data rate10/100/1000 Mbps
IEEENetwork topologyIEEE 802.3 for 1000BASE-T, 100BASE-TX, and 10BASE-T
IEEE802.1P Layer 2 Priority Encoding, IEEE802.1Q VLAN tagging,full duplex flow control(IEEE802.3x)
IPv4 and IPv6 checksum offload support, Crossover detection and Auto correction operation
PHYCompliant with the 1 Gb/s IEEE 802.3 802.3u, 802.3ab Specifications
IEEE 802.3ab auto negotiation support
Full duplex operation at 10/100/1000 Mb/s, Half duplex at 10/100 Mb/s
Auto MDI, MDI-X crossover at all speeds
System RequirementsWindows Server 2003 / Server 2008 / 2008 R2 / Server 2012 / 2012 R2 / 2016 R2
Windows XP / Windows Vista / Windows 7 / Windows 8 / Windows 8.1 / Windows 10 (32-64bit)

FreeBSD, Linux, VMware ESXi

Hardware & environment
LED IndicatorsLink/Activity LED: OFF=No Link, ON=Link, Blinking=Activity
Not illuminated=10Mb/s, Green=100Mb/s, Amber=1 Gb/s
CertificationsFCC, CE, RoHS
Operating temperature0 °C to 55 °C (32 °F to 131 °F)
Storage temperature-40 °C to 70 °C (-40 °F to 158 °F)
Storage humidityMaximum: 90% non-condensing relative humidity at 35 °C

Packing Accessories list

1 x MiniPCIe Intel 82574L Gigabit network adapter-main card

1 x MiniPCIe Intel 82574L Gigabit network adapter -daughter card

1 x 10-Pin network cable

1 x 4-Pin LED cable

1 x User's Manual

1 x CD-Driver

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. 

DimensionsL31 x W51mm (miniPCI-E main card)
Cable length 26.5 cm
Package SizeL175 x W125 x H30mm (Built-in blister)
Product weight 45g
Package weight




PO#P/NSpecificationsOrdering Note
ST7226SM-LGI574A-BTminiPCI-E Gigabit Single- RJ45 Server NICs  
Based on Intel 82574L Ethernet Controller


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