プラネックス、2.5GbEポートを2基/4基搭載したPCIe内蔵型増設カード - ITmedia PC USER
Amazon.com: 2.5GBase-T PCIe Network Adapter with 1 Port, 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows/Linux, Standard and Low-Profile Brackets Included : Electronics
New PCIe Form Factor Enables Greater PCIe SSD Adoption – NVM Express