WEB LINK: https://www.sonicinformed.co.za/catalogue/network-solutions-network-adaptor/ug-pcie-30771;

UGreen 30771 RJ45 Gigabit Ethernet Port PCI-e X1 Internal Expansion Card With Low Profile Bracket And Supports 1000Mbps Network Speed

Features:
-Easy to install
-Wide application
-Convenient and fast
-Gold-Plated connectors
-High-Performance Chipset
-Supports PCI Express X1 port
-Supports 1000Mbps throughput
-Fits MBs with x1/4/8/16 card slot

Specifications:
-Model: US230-30771
-Chipset: RTL8111G
-Short bracket length: 8cm (2U Computer Cases)
-Long bracket length: 12cm (Normal Computer Cases)
-Interface: 1x 10/100/1000Mbps RJ45 Network
-Standards and Protocols: IEEE802.1P/Q, 802.3ab/az/u/x
-Support Full-duplex Mode and Half-duplex Mode
-Jumbo Frame: 9k Bytes
-Auto-Negotiation and Auto MDI/MDIX
-Support Wake-on LAN
-Supports Windows XP/Vista/7/8/10

Notes:
-Only support 5V power supply, do not connect any power source which supports higher power consumption.
-DO NOT insert the SATA power supply cable into the PCI-E card via reverse direction
-DO NOT install the PCI-E card when the PC is on
-Please download drivers before using
-DO NOT support Linux or Mac OS
-Only work with PCI-E slot, does NOT support PCI slot.

-Weight: 100g
-Dimensions: (L)15 x (W)4.4 x (H)15cm

What's in the box:
-1x UGreen 30771 Gigabit 1000Mbps PCIe Network Adapter