This converter by Delock extends the system by one RJ45 2.5 Gigabit LAN port.
NBASE-T for higher speeds
Modern services and new technologies require higher bandwidths. NBASE-T technology enables speeds of 1 Gbps and 2.5 Gbps with conventional network cables. The best possible transmission rate is set automatically.

Specification
– Connectors:
1 x M.2 Key B+M plug
1 x 2.5 Gigabit LAN RJ45 socket
– Chipset: Intel i225V
– Interface: PCIe 2.0
– Form factor: M.2 2280
– Suitable for M.2 Slot with Key M or Key B on PCIe basis
– Data transfer rates:
Ethernet up to 10 Mbps (half/full duplex)
Fast Ethernet up to 100 Mbps (half/full duplex)
Gigabit Ethernet up to 1000 Mbps (half/full duplex)
NBASE-T with up to 2.5 Gbps
– Compatible with:
IEEE 802.3: 10BASE-T
IEEE 802.3u: 100BASE-TX
IEEE 802.3ab: 1000BASE-T
– Supports PXE
– Supports 9k jumbo frames
– LED display for connection and activity
– Dimensions (LxWxH): approx. 80 x 22 x 16 mm
System requirements
– Linux Kernel 5.15 or higher
– Windows 10/10-64/11
– One free M.2 Key B or Key M slot
Package contents
– Converter
– Screw
– Operating instructions
Packaging
– Retail box