PCIe 3.0 vs 4.0: What's the Difference and Which Is Better - MiniTool Partition Wizard
Crucial P3 Plus 1TB Internal SSD PCIe Gen 4 x4 NVMe CT1000P3PSSD8 - Best Buy
M.2 2230 NVMe SSD Gen3 | Integral Memory
PCIe Gen 4 vs Gen 3: Do you need to spend extra on SSDs?
Amazon.com: Sedna PCI Express (PCIe) SATA III (6G) SSD Adapter with 1 SATA III Port (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD not Included :
PCI Express Gen 3 Carrier Board for one M.2 PCIe SSD module | Amfeltec Corporation