What's with and sata port conflicts?

In your motherboard manual, under Internal Connectors, it will tell you how the SATA ports are numbered Then the bottom half of Disk

2 slots directly interface with the motherboard, bypassing the SATA interface Consequently, manufacturers may allocate fewer SATA ports on newer motherboards

sata slot vs - M 2 is a small, flat, board while U 2 is the ” form factor you're familiar with from most SATA SSD So check with Broadberry

sata 3 slot SATA transfers data one bit at a time between a drive and its host, using a seven-pin data cable and 15-pin drive power connector cable The SATA cable results