mini hd sas

So my understanding is MCIO is a replacement for MiniSAS HD/SlimSAS (and possibly OcuLINK?) as it can support much faster transfer rates for future PCIe standards? But like, I noticed that some motherboards suggest an MCIO port supporting PCIe Gen3 x8 OR SATA (8x I guess) via the PCH bus, but...

Hello All, I need help figuring out If I can utilize the U.2 connector for extra SATA storage, currently I have a Norco RPC 4020 case and two Dell HBA 330 that are working, I need to use the last 4 bays in my 4u case, but I would like to know if I can plug in a mini SAS HD cable to 4 SATA, will...