PCIe x4 vs x16 for single NVMe SSD speed increase?

PCIe x4 vs x16 for single NVMe SSD speed increase? nvme in pcie slot
➡️【Mk.com】✅Signing up is easy! ✅In just a few minutes, you can create a free account and get ready to explore our rich game library. Enjoy it...✅  Utilize an available PCIe x4 expansion slot for the installation, removal, or interchange of PCIe SSDs The drive tray accommodates M-Key NVMe SSDs nvme m2 slot cards with a B Key interface can only fit into a B Key host slot, and likewise for M Key But cards with a B+M Key design can fit in either

nvme m2 slot 2 8x4 Silent Gen4 PCIe® Card enables you to mount up to eight NVMe SSDs into a single x16 PCIe card slot and combine their capabilities for ultra-performance

nvme and m2 slot difference So I spotted this today a single slot x16 PCI-e expansion card for 4x NVMe drives: In addition, the removable SSD tray design allows you to swap SSDs without unmounting the CP074-1 from the PCIe slot, making drive maintenance a more efficient