Amazon.com: 10Gtek 2.5G NIC PCIe Network Adapter 2500/1000/100Mbps PCIe Gigabit Ethernet Card, Single RJ-45 Port, with Realtek RTL8125 Controller, Support Windows Server/Ubuntu/Centos/Debian : Electronics
StarTech.com Dual Port Gigabit PCI Express Server Network (ST1000SPEXD4)
Amazon.com: Dual-Port PCIe Gigabit Network Card 1000M PCI Express Ethernet Adapter with Intel 82575/82576 Two Ports LAN NIC Card for Support PXE for Windows/Windows Server/Linux/Freebsd/DOS with Low Profile : Electronics