International Test Instruments. x4 PCI Express to SMA Breakout board
RIITOP M.2 Nvme SSD to PCI-e x4 Adapter Card Converter Support M.2 NGF
What is PCIe (Peripheral Component Interconnect Express)?
Amazon.com: BEYIMEI PCI-E Card 4X to USB 3.1 Gen 2 (10 Gbps) Type A+Type C Expansion Card Asmedia Chipset for Windows 7/8/10 Compatible Slot: PCIe x4, PCIe x8, PCIe x16 (Type A+Type
Switch-based Cable Adapter, PCIe x4 Gen3 Host - One Stop Systems
Switch-based Cable Adapter, PCIe x4 Gen2 Host - One Stop Systems