2.5GBase-T PCIe Network Adapter, 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows, Standard and Low- Profile Brackets Included PCIe to 2.5 Gigabit - Newegg.com
HXBE PCIE to RJ45 10/100/2500Mbps Gigabit Ethernet Adapter Lan Card with Low -Profile Brackets Support for Windows - AliExpress
NeweggBusiness - TP-Link TG-3468 PCI-Express Network Adapter (with Normal and Low Profile Bracket)
Amazon.com: 2.5GBase-T Gigabit Network Card PCI Express Ethernet Adapter (RTL8125B) NIC Support PXE for Windows 10/8/7/Mac and Linux OS with Low Profile : Electronics