hardware - Force renegotiation of PCI Express link speed? x2 card reverts to x1 width - Server Fault
Computer District PCI Express Controller Card X2 - For 4 SSD M.2 Type SATA III Formats 2280, 2260, 2242 and 2230 - Chipset Marvell 88se9235: Amazon.de: Computer & Accessories
Amazon.com: PUSOKEI M.2 NGFF NVME SSD Adapter, 2280 2260 2242 2230 PCIE x4/PCIE x2 M.2 NGFF M‑Key SSD Adapter Card Module Replacement for Mac Mini A1347 Model 2014 : Electronics
pci express - NVMe PCIe SSD using 2 lanes instead of 4 - Super User
PCIe x2 VS PCIe x4 SSD! Read/Write Speed two budget NVME SSD - YouTube
PCIe x2 VS PCIe x4 SSD! Read/Write Speed two budget NVME SSD - YouTube
Delock Products 90433 Delock PCI Express x2 Card for 4 x SATA HDD / SSD RAID