2-port StarTech.com Dual Port PCI Express Gigabit Ethernet Network Card Adapter - 2 Port PCIe NIC 10/100/100 Server A... | Dell USA
StarTech.com 4-Port PCI Express Gigabit Network Adapter Card - Quad-Port PCIe Gigabit NIC - Add four Gigabit Ethernet ports to a client, server or workstation through one PCI Express slot - 4-Port
Amazon.com: Gigabit 4 Port NIC with Intel I350 Chip, 1Gb Network Card Compare to Intel I350-T4 NIC, Quad RJ45 Ports, PCI Express 2.1 X4, Ethernet Card with Low Profile for Windows/Windows Server/Linux :
3Pt PCIe USB 3.0 Card + Gigabit Ethernet - USB 3.0 Cards | StarTech.com
StarTech.com 4 Port Gigabit NIC PCIe Network Card - Quad Port (ST1000SPEX43)
StarTech.com PCI Express Gigabit Ethernet Fiber Network Card w/ Open SFP - PCIe SFP Network Card Adapter NIC - Connect a PCI Express-based desktop or rackmount PC directly to a fiber optic