Dual Ports M.2 M+B key 2.5G Ethernet Card

Dual Ports M.2 M+B key 2.5G Ethernet Card


  • M.2 M+B Key
  • This dual M.2 2.5Gbps Gigabit Ethernet Adapter is a high-performance 10/100/1000/2.5G BASE-T Ethernet LAN controller. It supports high-performance dual channel networking and full duplex communication to achieve up to 250000 Mbps and fast transfer rates.
  • This card is a 2.5Gbps Ethernet M.2 Key B+M male Card. It supports high-performance dual channel networking and full duplex communication to achieve up to 2500 Mbps and fast transfer rates, yet is compatible with existing Ethernet. 

Product Detail

Product Tags


Technical Specifications
Warranty Information
Part number                                                         STC-PN0036

Warranty                                                              3-years

Connector Plating                                                Gold-plated
Physical Characteristics
Port                                                                      M.2 (B+M Key)

Color                                                                    Green

Interface                                                              2 Port RJ-45

Packaging Contents
1 x Dual Ports M.2 M+B key 2.5G Ethernet Card (Main card & Daughter card)

3 x Connecting Cable

1 x User Manual

1 x Low-profile bracket 

Single gross weight: 0.41 kg    

Driver Download: https://www.realtek.com/zh-tw/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software

Products Descriptions

M.2 (B+M Key) to Dual 2.5G Ethernet Card, with Realtek RTL8125B Chip, RJ45 Copper Single-Port, M.2 B+E Key Connector, M.2 2.5G Dual Network Card, M.2 Dual 2.5G Ethernet Card, Support Windows Server/Windows, Linux.



M.2 B+M 2.5G Dual Network Card with Realtek RTL8125B Chipset, M.2 Dual 2.5G Ethernet Module 2.5G Ethernet Port 25000Mbps High Speed for Desktop, PC, Office Computer.



Supports 2.5G Lite (1G data rate) mode

Supports PCI Express 2.1

Supports 2 high-performance 2.5-Gigabit LAN ports

Auto-Negotiation with Extended Next Page capability (XNP)

Compatible with NBASE-TTM Alliance PHY Specification

Supports pair swap/polarity/skew correction

Crossover Detection & Auto-Correction

Supports 1-Lane 2.5/5Gbps PCI Express Bus

Supports hardware ECC (Error Correction Code) function

Supports hardware CRC (Cyclic Redundancy Check) function

Transmit/Receive on-chip buffer support

Supports PCI MSI (Message Signaled Interrupt) and MSI-X

Supports power down/link down power saving/PHY disable mode

Supports ECMA-393 ProxZzzy Standard for sleeping hosts

Supports LTR (Latency Tolerance Reporting)

Supports 32-set 128-byte Wake-Up Frame pattern exact matching

Supports Microsoft WPI (Wake Packet Indication)

Supports PCIe L1 substate L1.1and L1.2

Compatible with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab

Supports IEEE 1588v1, IEEE 1588v2, IEEE 802.1AS time synchronization

Supports IEEE 802.1Qav credit-based shaper algorithm

Supports IEEE 802.1P Layer 2 Priority Encoding

Supports IEEE 802.1Q VLAN tagging

Supports IEEE 802.1ad Double VLAN

Supports IEEE 802.3az (Energy Efficient Ethernet)

Supports IEEE 802.3bz (2.5GBase-T)

Supports Full Duplex flow control (IEEE 802.3x)

Supports jumbo frame to 16K byte

Supports standard and low-profile chassis


System Requirements 

Windows OS

Linux, MAC OS and DOS


Package Contents

1 x M.2 M+B key dual 2.5G Ethernet Card (Main card & Daughter card)

3 x Connecting Cable

1 x User Manual

1 x Low-profile bracket 

Note: Contents may vary depending on country and market.    


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