![Amazon.com: SIIG Dual 2.5G 4-Speed Multi-Gigabit Ethernet PCIe Network Card, PCIe 2.0 x2 to Dual RJ-45, 2.5GBASE-T, NBASE-T, 2500/1000/100/10Mbps, Realtek RTL8125 Chipset, Dual-Profile Brackets (LB-GE0711-S1) : Electronics Amazon.com: SIIG Dual 2.5G 4-Speed Multi-Gigabit Ethernet PCIe Network Card, PCIe 2.0 x2 to Dual RJ-45, 2.5GBASE-T, NBASE-T, 2500/1000/100/10Mbps, Realtek RTL8125 Chipset, Dual-Profile Brackets (LB-GE0711-S1) : Electronics](https://images-na.ssl-images-amazon.com/images/I/81SkyIxlxOL._AC_UL600_SR600,600_.jpg)
Amazon.com: SIIG Dual 2.5G 4-Speed Multi-Gigabit Ethernet PCIe Network Card, PCIe 2.0 x2 to Dual RJ-45, 2.5GBASE-T, NBASE-T, 2500/1000/100/10Mbps, Realtek RTL8125 Chipset, Dual-Profile Brackets (LB-GE0711-S1) : Electronics
![Amazon.com: 5 Slot M.2 B-Key SATA Base SSD PCI-e 3.0 x2 Bandwidth Expansion Card Require x16 Slot SI-PEX40142 : Electronics Amazon.com: 5 Slot M.2 B-Key SATA Base SSD PCI-e 3.0 x2 Bandwidth Expansion Card Require x16 Slot SI-PEX40142 : Electronics](https://m.media-amazon.com/images/I/71uD8obLP9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: 5 Slot M.2 B-Key SATA Base SSD PCI-e 3.0 x2 Bandwidth Expansion Card Require x16 Slot SI-PEX40142 : Electronics
![PCI Express Link Speeds and Bandwidth Capabilities - PCI Express 2.0: Scalable Interconnect Technology, TNG PCI Express Link Speeds and Bandwidth Capabilities - PCI Express 2.0: Scalable Interconnect Technology, TNG](https://images.anandtech.com/reviews/chipsets/2008/pcie-2.0/Links.png)
PCI Express Link Speeds and Bandwidth Capabilities - PCI Express 2.0: Scalable Interconnect Technology, TNG
![PCI Express Link Speeds and Bandwidth Capabilities - PCI Express 2.0: Scalable Interconnect Technology, TNG PCI Express Link Speeds and Bandwidth Capabilities - PCI Express 2.0: Scalable Interconnect Technology, TNG](https://images.anandtech.com/reviews/chipsets/2008/pcie-2.0/BW_Table.png)
PCI Express Link Speeds and Bandwidth Capabilities - PCI Express 2.0: Scalable Interconnect Technology, TNG
![hardware - Force renegotiation of PCI Express link speed? x2 card reverts to x1 width - Server Fault hardware - Force renegotiation of PCI Express link speed? x2 card reverts to x1 width - Server Fault](https://i.stack.imgur.com/NJMcq.jpg)