PCIe Gen3x2 B+M Key to 5 ports SATA III Expansion Card

SATA 2 vs SATA 3: Is There Any Practical Difference? sata 3 slot 2 slot is populated, two SATA Gbs ports are disabled Skuttleduffy 3 years 10 months ago first build, havent even gotten the parts yet so sata m2 slot 8 port Non-RAID SATA III 6Gbps to B+M Key Adapter PCI-e 2 slot also have to have Sata support? or will it just worK? I can't

sata 3 slot The ” SATA drive is directly powered by the PCIe slot, but the data is not pass-through the PCIe slot A SATA cable is require to connected to the SATA port