2 Types of SSDs: SATA and NVMe

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NVMe PCIe® x4 & PCIe® x2 • 1x PCIe ® Slot 2 2280 • NVMe PCIe x4 and SATA Mode 12 Smart Fan 5 + FAN STOP • 3 Fan

Likewise, you can put a PCIe device into a PCIe slot, and it will work, albeit at PCIe speeds What's the difference between You don't need PCIe support to run Nvidia's RTX 3000 series or AMD's Radeon RX 6000 range, and the performance increase isn't as noticeable

online slot live I have tried it with PCIE , it can work good enough indeed But I I plan to use minimal setup with 3 nodes  no you can perfectly put a gpu with PCI-E into a newer mobo that supports higher bandwith with ofcourse you won't be using the max