Does distance between m2 slot and CPU make a difference?

In this video I discuss the difference between an SSD and a NVME PCI-Ex4 SSD From

Like SATA, NVMe is designed to take advantage of the unique properties of pipeline-rich, random access memory-based storage It also reflects

nvme slot Form Factor: NVMe SSDs are most commonly found in the form factor, a small, compact size that fits directly onto the motherboard This form

nvme slot vs m2 SATA SSDs and SSDs that use two PCI Express lanes tend to use keys B and M to maximize compatibility, since both connectors can deliver both