SN750 PCIe 4x but 5 GTS only

1x is 250 MBs, 1x is 500 MBs, 1x is 985 MBs, 1x is GBs, etc This is faster than the SATA interface for old

PCIe Size and Lanes · PCIe x1: a single PCIe lane does not support the interface] · PCIe x4: NVMe SSDs occupy a single x4 slot] · PCIe x8: expansion cards

m2_1 slot That's because few games ever saturate the 32GBps of data today's x16 PCIe slot can carry 2 1TB PCIe SSD Gigabyte Aorus NVMe Gen4 M

m2 vs nvme slot Like USB, PCIe is forward compatible This means that a device which requires PCIe will work in a PCIe or PCIe slot Slot Size Lane Width