Amazon.co.jp: PCI-E Adapter, Gigabit LAN Card designed to fully comply with full duplex flow control of PCI-E Gigabit Ethernet Network Card : Computers
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