Sonnet 8x4 Silent Gen4 PCIe Card

4x4 NVMe SSD Silent PCIe Card - Sonnet m 2 4 0 in 3 0 slot You can plug pcie into slots as it's backwards compatible but the speeds will be limited to Gen 3 It wouldn't be able to go above the m2 slot mainboard So, the PCIe or third-generation card will function when installed in a PCIe or second-generation slot as the PCIe standard is such that it is both

m2_1 slot 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