We are a professional SSD manufacturer, and support Bulk wholesale and customized M.2 SSD, An M.2 SSD can be used with both SATA and PCI-e protocols. M.2 SSD doesn’t need a cable to connect to a motherboard. Instead, they are plugged directly into the motherboard with a dedicated M.2 connector slot. M.2 PCI-e SSD also supports non-volatile memory express (NVMe) drives. NVMe can accelerate the transfer speed of data between client systems and SSDs over a PCI-e bus.