Amazon.com: GLOTRENDS Quad Port 2.5Gbps PCI-E NIC Ethernet Network Card for PC, RTL8125BG Chip, PCI-Express 2.0 X2, 10Gbps Bandwidth, RJ45 LAN Port (LE8245F) : Electronics
Review: Velocity Solo x2 PCIe 2.0 x2 SATA 6 Gbps
Amazon.com: IO Crest M.2 SSD + SATA to Pci-E X2 Hardware RAID Card (B or B+M Key) (SI-PEX50102) : Electronics