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  • Using the JMB585 chipset, the SI-PEX40138 can provide extra 4 Port SATA III and one 22x42 M.2 B-key Slot to any free PCI-e x4 slot with PCIe Gen3 x2. of bandwidth. For the storage solution based on data transfer of multiple hard drives, the newly added FIS-based switching design can overcome the bottlenecks created by operating multiple SATA storage devices simultaneously. The data transmission rate of the JMB585 can achieve to 1700MB/s, which is the maximum transfer speed of PCIe Gen3 x2.