NINJAQQ1 PCIe 2.0 motherboard slots are fully backward compatible with PCIe v1.x cards. Before NVMe was standardized, many of these cards utilized proprietary interfaces and custom drivers to communicate with the operating system; they had much higher transfer rates (over 1 GB/s) and IOPS (over one million I/O operations per second) when compared to Serial ATA or SAS drives. PCI Express has replaced AGP as the default interface for graphics cards on new systems. In June 2017, PCI-SIG announced the PCI Express 5.0 preliminary specification.|Nippon Ichi Software