Whats the difference between PCIe 3.0 x4 and PCIe 3.0 x2? - Quora
Amazon.com: Optane Memory Series MEMPEK1J016GAH 16GB M.2 2280 PCIe 3.0 x2 NVMe SSD Solid State Drive L08717-001 Compatible Replacement Spare Part for Intel Compatible and All Systems : Electronics
New Add On Card Pci Express 3.0 X2 Usb 3.1 Type-e Card Pcie Front Type-c Adapter Riser Type-e Usb3.1 A-key 10gbps Expansion Card - Add On Cards & Controller Panels - AliExpress
Kingston Introduces Entry-level PCIe NVMe SSD | Business Wire
NeweggBusiness - Corsair Force MP300 M.2 2280 120GB PCI-Express 3.0 x2, NVME 1.3 3D TLC Internal Solid State Drive (SSD) CSSD-F120GBMP300
SOLVED] - PCIe 3.0x2 SSDs vs SATA 3 | Tom's Hardware Forum