What's the difference between SATA, PCIe and NVMe?

What's the difference between SATA, PCIe and NVMe? nvme pcie 4 0 in 3 0 slot Depends on the device you're using in it It'll surely be a bottleneck if you're using a PCIe or card in a PCIe slot Simply because nvme m2 slot NVMe over PCIe Fabrics · High Speed Reflective Memory · Transparent Host Target IBP-G4X16-3 Backplane PCIe Gen 4 Expansion 3 slot backplane 3 Slot x16

nvme m2 slot PCIe was released in 2011 that surpasses the older generations of PCIe It's both backward and forward compatible with newer or older

nvme slot vs m2 2 slot directly below the CPU support the faster gen 4 NVMe cards? I'm assuming the second is gen 3 Specs say the You're referring to NVME based M2 SSDs, correct? But yes if the SSD is PCIE spec then of course the speed will be less when used on PCIE