Description:
Gigabit Ethernet Adapter Card M.2 A+E 2.5G RTL8125B Main Control 2.5G/100M/1000M M.2 Network Card Computer Accessories
SM-LG8125B-BT M.2 A+E KEY RTL8125B 2.5G single electrical port network adapter, which combines four-speed IEEE802.3 compatible media access controller and four-speed Ethernet transceiver, in line with 10/100Mbps Ethernet IEEE802 .3u specification, IEEE802.3ab 1000Mbps Ethernet specification and IEEE802.3bz 2500Mbps Ethernet specification.
It also provides high-speed transmission via CAT5e UTP cable or CAT3 UTP (10Mbps only) cable.
It is suitable for multiple market segments and emerging applications, such as desktops, workstations, servers, communication platforms and embedded applications.SM-LG8125B-BT M.2 A+E KEY RTL8125B 2.5G single electrical port network adapter, which combines four-speed IEEE802.3 compatible media access controller and four-speed Ethernet transceiver, in line with 10/100Mbps Ethernet IEEE802 .3u specification, IEEE802.3ab 1000Mbps Ethernet specification and IEEE802.3bz 2500Mbps Ethernet specification.
It also provides high-speed transmission via CAT5e UTP cable or CAT3 UTP (10Mbps only) cable.
It is suitable for multiple market segments and emerging applications, such as desktops, workstations, servers, communication platforms and embedded applications.

Compliant with PCI Express specification revision v2.1.
Support 1-Lane 2.5/5Gbps PCI Express bus.
Onboard single 2.5G network port, integrated 10/100/1000M/2.5G transceiver.
Support 2.5G and 1G Lite, 100M mode.
Auto-negotiation with extended next page function.
Supports exchange/sex/skew correction.
Cross detection and automatic correction.
Compatible with IEEE802.3, IEEE802.3u, IEEE802.3ab.
Support IEEE1588v1, IEEE1588v2, IEEE80.2AS time synchronization.
Support the shaping algorithm based on IEEE802.1Qav credit.
Support IEEE802.1P layer 2 priority coding.
Support IEEE802.1Q VLAN tag.
Support IEEE802.3az-2010.

Specifications:
Bus type: M.2 A+E
System requirements: Win 7/Win 8/Server 2008/Win 8.1/Server 2012/2016, Win 10 32/64bit, Linux
Transmission medium: 1 x 2.5G RJ45 port
Transmission rate: 2.5G/1000/100Mbps
Network mode: support 2.5G and 1G Lite mode
Size: 50*29*7mm

Notes:
There might be little error of size for manual measurement.
The colors deviation might differ due to different monitor settings, please kindly understand.

Packing list

1 x M.2 A+E RTL8125B main card
1 x RJ45 terminal
1 x Driver CD
1 x network terminal cable